fix: reaction entry always pops up on the top layer (#3562)

* fix: reaction entry always pops up on the top layer

* formatting

---------

Co-authored-by: ggurdin <ggurdin@gmail.com>

lib/pages/chat/events/pangea_message_reactions.dart

@@ -516,12 +516,14 @@ class _AdaptableReactorsDialog extends StatelessWidget {
         context: context,
         builder: (context) => this,
         barrierDismissible: true,
-        useRootNavigator: false,
+        useRootNavigator: true,
       );
 
   @override
   Widget build(BuildContext context) {
-    final body = SingleChildScrollView(
+    final body = Material(
+      type: MaterialType.transparency,
+      child: SingleChildScrollView(
         child: Wrap(
           spacing: 8.0,
           runSpacing: 4.0,
@@ -539,6 +541,7 @@ class _AdaptableReactorsDialog extends StatelessWidget {
               ),
           ],
         ),
+      ),
     );
 
     final title = Center(child: Text(reactionEntry!.key));