Enable swipe between memories when openend from widgets

mobile/lib/services/memories_cache_service.dart

@@ -24,6 +24,7 @@ import "package:photos/services/language_service.dart";
 import "package:photos/services/machine_learning/face_ml/person/person_service.dart";
 import "package:photos/services/notification_service.dart";
 import "package:photos/services/search_service.dart";
+import "package:photos/ui/home/memories/all_memories_page.dart";
 import "package:photos/ui/home/memories/full_screen_memory.dart";
 import "package:photos/ui/viewer/people/people_page.dart";
 import "package:photos/utils/navigation_util.dart";
@@ -492,10 +493,12 @@ class MemoriesCacheService {
     }
     await routeToPage(
       context,
-      FullScreenMemoryDataUpdater(
-        initialIndex: fileIdx,
-        memories: allMemories[memoryIdx].memories,
-        child: FullScreenMemory(allMemories[memoryIdx].title, fileIdx),
+      AllMemoriesPage(
+        allMemories: _cachedMemories!.map((e) => e.memories).toList(),
+        allTitles: _cachedMemories!.map((e) => e.title).toList(),
+        initialPageIndex: memoryIdx,
+        inititalFileIndex: fileIdx,
+        isFromWidgetOrNotifications: true,
       ),
       forceCustomPageRoute: true,
     );

mobile/lib/ui/home/memories/all_memories_page.dart

@@ -5,14 +5,18 @@ import "package:photos/ui/home/memories/full_screen_memory.dart";
 
 class AllMemoriesPage extends StatefulWidget {
   final int initialPageIndex;
+  final int inititalFileIndex;
   final List<List<Memory>> allMemories;
   final List<String> allTitles;
+  final bool isFromWidgetOrNotifications;
 
   const AllMemoriesPage({
     super.key,
     required this.allMemories,
     required this.allTitles,
     required this.initialPageIndex,
+    this.inititalFileIndex = 0,
+    this.isFromWidgetOrNotifications = false,
   });
 
   @override
@@ -22,6 +26,7 @@ class AllMemoriesPage extends StatefulWidget {
 class _AllMemoriesPageState extends State<AllMemoriesPage>
     with SingleTickerProviderStateMixin {
   late PageController pageController;
+  bool isFirstLoad = true;
 
   @override
   void initState() {
@@ -44,7 +49,11 @@ class _AllMemoriesPageState extends State<AllMemoriesPage>
         hitTestBehavior: HitTestBehavior.translucent,
         itemCount: widget.allMemories.length,
         itemBuilder: (context, index) {
-          final initialMemoryIndex = _getNextMemoryIndex(index);
+          final initialMemoryIndex =
+              widget.isFromWidgetOrNotifications && isFirstLoad
+                  ? widget.inititalFileIndex
+                  : _getNextMemoryIndex(index);
+          isFirstLoad = false;
           return FullScreenMemoryDataUpdater(
             initialIndex: initialMemoryIndex,
             memories: widget.allMemories[index],