deps(mobile): flutter 3.16 (#6677)

* dep(mobile): update flutter and deps

* chore: dart analyzer

* chore: update flutter workflow version

* chore: dart format

* fix: gallery_viewer PopScope

---------

Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>

mobile/lib/modules/search/ui/immich_search_bar.dart

@@ -8,10 +8,10 @@ import 'package:immich_mobile/modules/search/providers/search_page_state.provide
 class ImmichSearchBar extends HookConsumerWidget
     implements PreferredSizeWidget {
   const ImmichSearchBar({
-    Key? key,
+    super.key,
     required this.searchFocusNode,
     required this.onSubmitted,
-  }) : super(key: key);
+  });
 
   final FocusNode searchFocusNode;
   final Function(String) onSubmitted;

mobile/lib/modules/search/ui/search_suggestion_list.dart

@@ -5,8 +5,7 @@ import 'package:immich_mobile/extensions/build_context_extensions.dart';
 import 'package:immich_mobile/modules/search/providers/search_page_state.provider.dart';
 
 class SearchSuggestionList extends ConsumerWidget {
-  const SearchSuggestionList({Key? key, required this.onSubmitted})
-      : super(key: key);
+  const SearchSuggestionList({super.key, required this.onSubmitted});
 
   final Function(String) onSubmitted;
   @override

mobile/lib/modules/search/ui/thumbnail_with_info.dart

@@ -7,13 +7,13 @@ import 'package:immich_mobile/extensions/string_extensions.dart';
 // ignore: must_be_immutable
 class ThumbnailWithInfo extends StatelessWidget {
   ThumbnailWithInfo({
-    Key? key,
+    super.key,
     required this.textInfo,
     this.imageUrl,
     this.noImageIcon,
     this.borderRadius = 10,
     required this.onTap,
-  }) : super(key: key);
+  });
 
   final String textInfo;
   final String? imageUrl;