fix(mobile): use zoomedpagetransition for galleryvieweroute (#5495)

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

mobile/lib/routing/custom_transition_builders.dart

@@ -0,0 +1,31 @@
+import 'package:flutter/material.dart';
+
+class CustomTransitionsBuilders {
+  const CustomTransitionsBuilders._();
+
+  static const ZoomPageTransitionsBuilder zoomPageTransitionsBuilder =
+      ZoomPageTransitionsBuilder();
+
+  static const RouteTransitionsBuilder zoomedPage = _zoomedPage;
+
+  static Widget _zoomedPage(
+    BuildContext context,
+    Animation<double> animation,
+    Animation<double> secondaryAnimation,
+    Widget child,
+  ) {
+    return zoomPageTransitionsBuilder.buildTransitions(
+      // Empty PageRoute<> object, only used to pass allowSnapshotting to ZoomPageTransitionsBuilder
+      PageRouteBuilder(
+        allowSnapshotting: true,
+        fullscreenDialog: false,
+        pageBuilder: (context, animation, secondaryAnimation) =>
+            const SizedBox.shrink(),
+      ),
+      context,
+      animation,
+      secondaryAnimation,
+      child,
+    );
+  }
+}