fix messagelistview loading errors

packages/stream_chat_flutter_core/lib/src/message_list_core.dart

@@ -129,7 +129,7 @@ class _MessageListCoreState extends State<MessageListCore> {
 
     bool defaultFilter(Message m) {
       final isMyMessage = m.user.id == _currentUser.id;
-      final isDeletedOrShadowed = m.isDeleted || m.shadowed;
+      final isDeletedOrShadowed = m.isDeleted == true || m.shadowed == true;
       if (isDeletedOrShadowed && !isMyMessage) return false;
       return true;
     }

packages/stream_chat_flutter_core/pubspec.yaml

@@ -10,7 +10,11 @@ environment:
   flutter: ">=1.17.0"
 
 dependencies:
-  stream_chat: ^1.3.2-beta
+  stream_chat: 
+    git: 
+      url: https://github.com/GetStream/stream-chat-flutter.git
+      ref: develop
+      path: packages/stream_chat
   flutter:
     sdk: flutter
   rxdart: ^0.25.0