temporary solution for Android AccessibilityService can't not control RustDesk itself

lib/pages/chat_page.dart

@@ -40,6 +40,9 @@ class ChatPage extends StatelessWidget implements PageShape {
         })
   ];
 
+  @override
+  final scrollController = FFI.chatModel.scroller;
+
   @override
   Widget build(BuildContext context) {
     return ChangeNotifierProvider.value(