[mob][photos] Support for iOS tinted icons + clean up (#5342)

### Different icons (Green, Light, Dark & OG) under different icon
themes (Light, Dark, Automatic & Tinted):


https://github.com/user-attachments/assets/2387cbab-59cc-4b27-a7b7-f57097460553



https://github.com/user-attachments/assets/c7e94283-f787-48de-a174-48b950f8b978



https://github.com/user-attachments/assets/c64f4999-c204-4b6e-a911-d3c7457bf916



https://github.com/user-attachments/assets/9e4ac258-a084-410b-a8c0-60a409366527

mobile/ios/Runner/Assets.xcassets/AppIcon-dev.appiconset/Contents.json

@@ -1 +0,0 @@
-{"images":[{"size":"20x20","idiom":"iphone","filename":"AppIcon-dev-20x20@2x.png","scale":"2x"},{"size":"20x20","idiom":"iphone","filename":"AppIcon-dev-20x20@3x.png","scale":"3x"},{"size":"29x29","idiom":"iphone","filename":"AppIcon-dev-29x29@1x.png","scale":"1x"},{"size":"29x29","idiom":"iphone","filename":"AppIcon-dev-29x29@2x.png","scale":"2x"},{"size":"29x29","idiom":"iphone","filename":"AppIcon-dev-29x29@3x.png","scale":"3x"},{"size":"40x40","idiom":"iphone","filename":"AppIcon-dev-40x40@2x.png","scale":"2x"},{"size":"40x40","idiom":"iphone","filename":"AppIcon-dev-40x40@3x.png","scale":"3x"},{"size":"50x50","idiom":"ipad","filename":"AppIcon-dev-50x50@1x.png","scale":"1x"},{"size":"50x50","idiom":"ipad","filename":"AppIcon-dev-50x50@2x.png","scale":"2x"},{"size":"57x57","idiom":"iphone","filename":"AppIcon-dev-57x57@1x.png","scale":"1x"},{"size":"57x57","idiom":"iphone","filename":"AppIcon-dev-57x57@2x.png","scale":"2x"},{"size":"60x60","idiom":"iphone","filename":"AppIcon-dev-60x60@2x.png","scale":"2x"},{"size":"60x60","idiom":"iphone","filename":"AppIcon-dev-60x60@3x.png","scale":"3x"},{"size":"20x20","idiom":"ipad","filename":"AppIcon-dev-20x20@1x.png","scale":"1x"},{"size":"20x20","idiom":"ipad","filename":"AppIcon-dev-20x20@2x.png","scale":"2x"},{"size":"29x29","idiom":"ipad","filename":"AppIcon-dev-29x29@1x.png","scale":"1x"},{"size":"29x29","idiom":"ipad","filename":"AppIcon-dev-29x29@2x.png","scale":"2x"},{"size":"40x40","idiom":"ipad","filename":"AppIcon-dev-40x40@1x.png","scale":"1x"},{"size":"40x40","idiom":"ipad","filename":"AppIcon-dev-40x40@2x.png","scale":"2x"},{"size":"72x72","idiom":"ipad","filename":"AppIcon-dev-72x72@1x.png","scale":"1x"},{"size":"72x72","idiom":"ipad","filename":"AppIcon-dev-72x72@2x.png","scale":"2x"},{"size":"76x76","idiom":"ipad","filename":"AppIcon-dev-76x76@1x.png","scale":"1x"},{"size":"76x76","idiom":"ipad","filename":"AppIcon-dev-76x76@2x.png","scale":"2x"},{"size":"83.5x83.5","idiom":"ipad","filename":"AppIcon-dev-83.5x83.5@2x.png","scale":"2x"},{"size":"1024x1024","idiom":"ios-marketing","filename":"AppIcon-dev-1024x1024@1x.png","scale":"1x"}],"info":{"version":1,"author":"xcode"}}

mobile/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -1,122 +1,38 @@
 {
   "images" : [
     {
-      "size" : "20x20",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-20x20@2x.png",
-      "scale" : "2x"
+      "filename" : "IconOG.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
     },
     {
-      "size" : "20x20",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-20x20@3x.png",
-      "scale" : "3x"
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "IconOGDark.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
     },
     {
-      "size" : "29x29",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-29x29@1x.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "29x29",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-29x29@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "29x29",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-29x29@3x.png",
-      "scale" : "3x"
-    },
-    {
-      "size" : "40x40",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-40x40@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "40x40",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-40x40@3x.png",
-      "scale" : "3x"
-    },
-    {
-      "size" : "60x60",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-60x60@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "60x60",
-      "idiom" : "iphone",
-      "filename" : "Icon-App-60x60@3x.png",
-      "scale" : "3x"
-    },
-    {
-      "size" : "20x20",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-20x20@1x.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "20x20",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-20x20@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "29x29",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-29x29@1x.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "29x29",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-29x29@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "40x40",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-40x40@1x.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "40x40",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-40x40@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "76x76",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-76x76@1x.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "76x76",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-76x76@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "83.5x83.5",
-      "idiom" : "ipad",
-      "filename" : "Icon-App-83.5x83.5@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "1024x1024",
-      "idiom" : "ios-marketing",
-      "filename" : "Icon-App-1024x1024@1x.png",
-      "scale" : "1x"
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "tinted"
+        }
+      ],
+      "filename" : "IconOGDark 1.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
     }
   ],
   "info" : {
-    "version" : 1,
-    "author" : "xcode"
+    "author" : "xcode",
+    "version" : 1
   }
 }

mobile/ios/Runner/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

mobile/ios/Runner/Assets.xcassets/IconDark.appiconset/Contents.json

@@ -1 +1,38 @@
-{"images":[{"size":"20x20","idiom":"iphone","filename":"IconDark-20x20@2x.png","scale":"2x"},{"size":"20x20","idiom":"iphone","filename":"IconDark-20x20@3x.png","scale":"3x"},{"size":"29x29","idiom":"iphone","filename":"IconDark-29x29@1x.png","scale":"1x"},{"size":"29x29","idiom":"iphone","filename":"IconDark-29x29@2x.png","scale":"2x"},{"size":"29x29","idiom":"iphone","filename":"IconDark-29x29@3x.png","scale":"3x"},{"size":"40x40","idiom":"iphone","filename":"IconDark-40x40@2x.png","scale":"2x"},{"size":"40x40","idiom":"iphone","filename":"IconDark-40x40@3x.png","scale":"3x"},{"size":"50x50","idiom":"ipad","filename":"IconDark-50x50@1x.png","scale":"1x"},{"size":"50x50","idiom":"ipad","filename":"IconDark-50x50@2x.png","scale":"2x"},{"size":"57x57","idiom":"iphone","filename":"IconDark-57x57@1x.png","scale":"1x"},{"size":"57x57","idiom":"iphone","filename":"IconDark-57x57@2x.png","scale":"2x"},{"size":"60x60","idiom":"iphone","filename":"IconDark-60x60@2x.png","scale":"2x"},{"size":"60x60","idiom":"iphone","filename":"IconDark-60x60@3x.png","scale":"3x"},{"size":"20x20","idiom":"ipad","filename":"IconDark-20x20@1x.png","scale":"1x"},{"size":"20x20","idiom":"ipad","filename":"IconDark-20x20@2x.png","scale":"2x"},{"size":"29x29","idiom":"ipad","filename":"IconDark-29x29@1x.png","scale":"1x"},{"size":"29x29","idiom":"ipad","filename":"IconDark-29x29@2x.png","scale":"2x"},{"size":"40x40","idiom":"ipad","filename":"IconDark-40x40@1x.png","scale":"1x"},{"size":"40x40","idiom":"ipad","filename":"IconDark-40x40@2x.png","scale":"2x"},{"size":"72x72","idiom":"ipad","filename":"IconDark-72x72@1x.png","scale":"1x"},{"size":"72x72","idiom":"ipad","filename":"IconDark-72x72@2x.png","scale":"2x"},{"size":"76x76","idiom":"ipad","filename":"IconDark-76x76@1x.png","scale":"1x"},{"size":"76x76","idiom":"ipad","filename":"IconDark-76x76@2x.png","scale":"2x"},{"size":"83.5x83.5","idiom":"ipad","filename":"IconDark-83.5x83.5@2x.png","scale":"2x"},{"size":"1024x1024","idiom":"ios-marketing","filename":"IconDark-1024x1024@1x.png","scale":"1x"}],"info":{"version":1,"author":"xcode"}}
+{
+  "images" : [
+    {
+      "filename" : "IconDark.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "IconDark 1.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "tinted"
+        }
+      ],
+      "filename" : "IconTinted.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

mobile/ios/Runner/Assets.xcassets/IconGreen.appiconset/Contents.json

@@ -1 +1,38 @@
-{"images":[{"size":"20x20","idiom":"iphone","filename":"IconGreen-20x20@2x.png","scale":"2x"},{"size":"20x20","idiom":"iphone","filename":"IconGreen-20x20@3x.png","scale":"3x"},{"size":"29x29","idiom":"iphone","filename":"IconGreen-29x29@1x.png","scale":"1x"},{"size":"29x29","idiom":"iphone","filename":"IconGreen-29x29@2x.png","scale":"2x"},{"size":"29x29","idiom":"iphone","filename":"IconGreen-29x29@3x.png","scale":"3x"},{"size":"40x40","idiom":"iphone","filename":"IconGreen-40x40@2x.png","scale":"2x"},{"size":"40x40","idiom":"iphone","filename":"IconGreen-40x40@3x.png","scale":"3x"},{"size":"50x50","idiom":"ipad","filename":"IconGreen-50x50@1x.png","scale":"1x"},{"size":"50x50","idiom":"ipad","filename":"IconGreen-50x50@2x.png","scale":"2x"},{"size":"57x57","idiom":"iphone","filename":"IconGreen-57x57@1x.png","scale":"1x"},{"size":"57x57","idiom":"iphone","filename":"IconGreen-57x57@2x.png","scale":"2x"},{"size":"60x60","idiom":"iphone","filename":"IconGreen-60x60@2x.png","scale":"2x"},{"size":"60x60","idiom":"iphone","filename":"IconGreen-60x60@3x.png","scale":"3x"},{"size":"20x20","idiom":"ipad","filename":"IconGreen-20x20@1x.png","scale":"1x"},{"size":"20x20","idiom":"ipad","filename":"IconGreen-20x20@2x.png","scale":"2x"},{"size":"29x29","idiom":"ipad","filename":"IconGreen-29x29@1x.png","scale":"1x"},{"size":"29x29","idiom":"ipad","filename":"IconGreen-29x29@2x.png","scale":"2x"},{"size":"40x40","idiom":"ipad","filename":"IconGreen-40x40@1x.png","scale":"1x"},{"size":"40x40","idiom":"ipad","filename":"IconGreen-40x40@2x.png","scale":"2x"},{"size":"72x72","idiom":"ipad","filename":"IconGreen-72x72@1x.png","scale":"1x"},{"size":"72x72","idiom":"ipad","filename":"IconGreen-72x72@2x.png","scale":"2x"},{"size":"76x76","idiom":"ipad","filename":"IconGreen-76x76@1x.png","scale":"1x"},{"size":"76x76","idiom":"ipad","filename":"IconGreen-76x76@2x.png","scale":"2x"},{"size":"83.5x83.5","idiom":"ipad","filename":"IconGreen-83.5x83.5@2x.png","scale":"2x"},{"size":"1024x1024","idiom":"ios-marketing","filename":"IconGreen-1024x1024@1x.png","scale":"1x"}],"info":{"version":1,"author":"xcode"}}
+{
+  "images" : [
+    {
+      "filename" : "IconGreen-1024x1024@1x.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "IconDark.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "tinted"
+        }
+      ],
+      "filename" : "IconTinted.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

mobile/ios/Runner/Assets.xcassets/IconLight.appiconset/Contents.json

@@ -1 +1,38 @@
-{"images":[{"size":"20x20","idiom":"iphone","filename":"IconLight-20x20@2x.png","scale":"2x"},{"size":"20x20","idiom":"iphone","filename":"IconLight-20x20@3x.png","scale":"3x"},{"size":"29x29","idiom":"iphone","filename":"IconLight-29x29@1x.png","scale":"1x"},{"size":"29x29","idiom":"iphone","filename":"IconLight-29x29@2x.png","scale":"2x"},{"size":"29x29","idiom":"iphone","filename":"IconLight-29x29@3x.png","scale":"3x"},{"size":"40x40","idiom":"iphone","filename":"IconLight-40x40@2x.png","scale":"2x"},{"size":"40x40","idiom":"iphone","filename":"IconLight-40x40@3x.png","scale":"3x"},{"size":"50x50","idiom":"ipad","filename":"IconLight-50x50@1x.png","scale":"1x"},{"size":"50x50","idiom":"ipad","filename":"IconLight-50x50@2x.png","scale":"2x"},{"size":"57x57","idiom":"iphone","filename":"IconLight-57x57@1x.png","scale":"1x"},{"size":"57x57","idiom":"iphone","filename":"IconLight-57x57@2x.png","scale":"2x"},{"size":"60x60","idiom":"iphone","filename":"IconLight-60x60@2x.png","scale":"2x"},{"size":"60x60","idiom":"iphone","filename":"IconLight-60x60@3x.png","scale":"3x"},{"size":"20x20","idiom":"ipad","filename":"IconLight-20x20@1x.png","scale":"1x"},{"size":"20x20","idiom":"ipad","filename":"IconLight-20x20@2x.png","scale":"2x"},{"size":"29x29","idiom":"ipad","filename":"IconLight-29x29@1x.png","scale":"1x"},{"size":"29x29","idiom":"ipad","filename":"IconLight-29x29@2x.png","scale":"2x"},{"size":"40x40","idiom":"ipad","filename":"IconLight-40x40@1x.png","scale":"1x"},{"size":"40x40","idiom":"ipad","filename":"IconLight-40x40@2x.png","scale":"2x"},{"size":"72x72","idiom":"ipad","filename":"IconLight-72x72@1x.png","scale":"1x"},{"size":"72x72","idiom":"ipad","filename":"IconLight-72x72@2x.png","scale":"2x"},{"size":"76x76","idiom":"ipad","filename":"IconLight-76x76@1x.png","scale":"1x"},{"size":"76x76","idiom":"ipad","filename":"IconLight-76x76@2x.png","scale":"2x"},{"size":"83.5x83.5","idiom":"ipad","filename":"IconLight-83.5x83.5@2x.png","scale":"2x"},{"size":"1024x1024","idiom":"ios-marketing","filename":"IconLight-1024x1024@1x.png","scale":"1x"}],"info":{"version":1,"author":"xcode"}}
+{
+  "images" : [
+    {
+      "filename" : "IconLight-1024x1024@1x.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "IconDark.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "tinted"
+        }
+      ],
+      "filename" : "IconTinted.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}