[auth] Update auth ios icon (#4698)

## Description

## Tests

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

@@ -1,122 +1,38 @@
 {
-  "images": [
+  "images" : [
     {
-      "size": "20x20",
-      "idiom": "iphone",
-      "filename": "Icon-App-20x20@2x.png",
-      "scale": "2x"
+      "filename" : "Icon-App-1024x1024@1x.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" : "Dark mode-1024@1x.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" : "Tinted icon-1024@1x.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
     }
   ],
-  "info": {
-    "version": 1,
-    "author": "xcode"
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
   }
 }

auth/ios/Runner/Base.lproj/LaunchScreen.storyboard

@@ -1,8 +1,11 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="12121" systemVersion="16G29" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="23504" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <device id="retina6_12" orientation="portrait" appearance="light"/>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12089"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="23506"/>
+        <capability name="System colors in document resources" minToolsVersion="11.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <scenes>
         <!--View Controller-->
@@ -14,10 +17,17 @@
                         <viewControllerLayoutGuide type="bottom" id="xbc-2k-c8Z"/>
                     </layoutGuides>
                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <rect key="frame" x="0.0" y="0.0" width="393" height="852"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
-                            <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleToFill" image="LaunchBackground" translatesAutoresizingMaskIntoConstraints="NO" id="tWc-Dq-wcI"/>
-                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4"></imageView>
+                            <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleToFill" image="LaunchBackground" translatesAutoresizingMaskIntoConstraints="NO" id="tWc-Dq-wcI">
+                                <rect key="frame" x="0.0" y="0.0" width="393" height="852"/>
+                            </imageView>
+                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
+                                <rect key="frame" x="0.0" y="0.0" width="393" height="852"/>
+                                <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                <color key="tintColor" systemColor="labelColor"/>
+                            </imageView>
                         </subviews>
                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
@@ -34,11 +44,14 @@
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
             </objects>
-            <point key="canvasLocation" x="53" y="375"/>
+            <point key="canvasLocation" x="80.916030534351137" y="264.08450704225356"/>
         </scene>
     </scenes>
     <resources>
-        <image name="LaunchImage" width="1153" height="1153"/>
         <image name="LaunchBackground" width="1" height="1"/>
+        <image name="LaunchImage" width="288" height="288"/>
+        <systemColor name="labelColor">
+            <color white="0.0" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+        </systemColor>
     </resources>
 </document>