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/map/widgets/positioned_asset_marker_icon.dart

@@ -92,7 +92,7 @@ class _AssetMarkerIcon extends StatelessWidget {
                       "Authorization":
                           "Bearer ${Store.get(StoreKey.accessToken)}",
                     },
-                    errorListener: () =>
+                    errorListener: (_) =>
                         const Icon(Icons.image_not_supported_outlined),
                   ),
                 ),