fix(mobile): Fixes immersive mode not ending for memory lane (#7767)

Fixes immersive mode not ending for memory lane

mobile/lib/modules/memories/views/memory_page.dart

@@ -39,11 +39,13 @@ class MemoryPage extends HookConsumerWidget {
     /// The main vertically scrolling page controller with each list of memories
     final memoryPageController = usePageController(initialPage: memoryIndex);
 
-    // The Page Controller that scrolls horizontally with all of the assets
     useEffect(() {
       // Memories is an immersive activity
       SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersive);
-      return null;
+      return () {
+        // Clean up to normal edge to edge when we are done
+        SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge);
+      };
     });
 
     toNextMemory() {
@@ -159,12 +161,7 @@ class MemoryPage extends HookConsumerWidget {
       },
       child: Scaffold(
         backgroundColor: bgColor,
-        body: PopScope(
+        body: SafeArea(
-          onPopInvoked: (didPop) {
-            // Remove immersive mode and go back to normal mode
-            SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge);
-          },
-          child: SafeArea(
           child: PageView.builder(
             physics: const BouncingScrollPhysics(
               parent: AlwaysScrollableScrollPhysics(),
@@ -282,7 +279,6 @@ class MemoryPage extends HookConsumerWidget {
           ),
         ),
       ),
-      ),
     );
   }
 }