fix(llc): dispose channel on deletion

packages/stream_chat/lib/src/client/channel.dart

@@ -1462,6 +1462,8 @@ class ChannelClientState {
 
     _listenChannelUpdated();
 
+    _listenChannelDeleted();
+
     _listenMemberAdded();
 
     _listenMemberRemoved();
@@ -1563,6 +1565,12 @@ class ChannelClientState {
     }));
   }
 
+  void _listenChannelDeleted() {
+    _subscriptions.add(_channel.on(EventType.channelDeleted).listen((Event e) {
+      _channel.dispose();
+    }));
+  }
+
   void _listenChannelTruncated() {
     _subscriptions.add(_channel
         .on(EventType.channelTruncated, EventType.notificationChannelTruncated)

packages/stream_chat_flutter_core/lib/src/channel_list_core.dart

@@ -157,7 +157,10 @@ class ChannelListCoreState extends State<ChannelListCore> {
         presence: widget.presence,
         memberLimit: widget.memberLimit,
         messageLimit: widget.messageLimit,
-        paginationParams: PaginationParams(limit: widget.limit),
+        paginationParams: PaginationParams(
+          limit: widget.limit,
+          offset: 0,
+        ),
       );
 
   /// Fetches more channels with updated pagination and updates the widget