Hides controls when video starts and fixes placeholder for memory card

Remove prints

mobile/lib/modules/asset_viewer/hooks/chewiew_controller_hook.dart

@@ -96,14 +96,12 @@ class _ChewieControllerHookState
 
   @override
   void initHook() async {
-    print('CHEWIE CONTROLLER > creating chewie $hashCode');
     super.initHook();
     _initialize().whenComplete(() => setState(() {}));
   }
 
   @override
   void dispose() {
-    print('CHEWIE CONTROLLER > disposing chewie $hashCode');
     videoPlayerController?.pause();
     videoPlayerController?.dispose();
     chewieController?.dispose();

mobile/lib/modules/asset_viewer/views/video_viewer_page.dart

@@ -110,6 +110,9 @@ class VideoViewerPage extends HookConsumerWidget {
           return null;
         }
 
+        // Hide the controls
+        ref.read(showControlsProvider.notifier).show = false;
+
         final video = controller.videoPlayerController.value;
 
         // Hold initial volume

mobile/lib/modules/memories/ui/memory_card.dart

@@ -72,9 +72,11 @@ class MemoryCard extends StatelessWidget {
                     key: ValueKey(asset),
                     asset: asset,
                     showDownloadingIndicator: false,
-                    placeholder: ImmichImage(
-                      asset,
-                      fit: fit,
+                    placeholder: SizedBox.expand(
+                      child: ImmichImage(
+                        asset,
+                        fit: fit,
+                      ),
                     ),
                     hideControlsTimer: const Duration(seconds: 2),
                     onVideoEnded: onVideoEnded,