liste for notificationRemovedFromChannel

lib/src/channels_bloc.dart

@@ -140,6 +140,13 @@ class ChannelsBlocState extends State<ChannelsBloc>
       await channel.watch();
       _channelsController.add(List.from(channels..insert(0, channel)));
     }));
+
+    _subscriptions.add(
+        client.on(EventType.notificationRemovedFromChannel).listen((e) async {
+      final channelModel = e.channel;
+      _channelsController.add(
+          List.from(channels..removeWhere((c) => c.cid == channelModel.cid)));
+    }));
   }
 
   @override