unique image tag

Signed-off-by: dom <githubaccount56556@proton.me>

lib/common/widgets/image_viewer/gallery_viewer.dart

@@ -55,6 +55,7 @@ class GalleryViewer extends StatefulWidget {
     required this.sources,
     this.initIndex = 0,
     this.onPageChanged,
+    this.tag = '',
   });
 
   final double minScale;
@@ -63,6 +64,7 @@ class GalleryViewer extends StatefulWidget {
   final List<SourceModel> sources;
   final int initIndex;
   final ValueChanged<int>? onPageChanged;
+  final String tag;
 
   @override
   State<GalleryViewer> createState() => _GalleryViewerState();
@@ -472,7 +474,7 @@ class _GalleryViewerState extends State<GalleryViewer>
               : const SizedBox.shrink(),
         );
     }
-    return Hero(tag: item.url, child: child);
+    return Hero(tag: '${item.url}${widget.tag}', child: child);
   }
 
   void _onTap() {