Merge branch 'develop' into v4

packages/stream_chat/CHANGELOG.md

@@ -17,6 +17,8 @@
   any channel.
 - [[#1047]](https://github.com/GetStream/stream-chat-flutter/issues/1047) `own_capabilities` extraData missing after
   channel update.
+- [[#1054]](https://github.com/GetStream/stream-chat-flutter/issues/1054) Fix `Unsupported operation: Cannot remove from an unmodifiable list`.
+- [[#1033]](https://github.com/GetStream/stream-chat-flutter/issues/1033) Hard delete from dashboard does not delete message from client.
 
 ✅ Added
 

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

@@ -1116,7 +1116,6 @@ class Channel {
       // remove the passed message if response does
       // not contain message
       state!.removeMessage(message);
-      await _client.chatPersistenceClient?.deleteMessageById(messageId);
     }
     return res;
   }
@@ -1608,10 +1607,12 @@ class ChannelClientState {
     _subscriptions.add(_channel.on(EventType.memberRemoved).listen((Event e) {
       final user = e.user;
       updateChannelState(channelState.copyWith(
-        members: List.from(
-          channelState.members..removeWhere((m) => m.userId == user!.id),
-        ),
-        read: channelState.read..removeWhere((r) => r.user.id == user!.id),
+        members: channelState.members
+            .where((m) => m.userId != user!.id)
+            .toList(growable: false),
+        read: channelState.read
+            .where((r) => r.user.id != user!.id)
+            .toList(growable: false),
       ));
     }));
   }
@@ -1871,7 +1872,9 @@ class ChannelClientState {
   }
 
   /// Remove a [message] from this [channelState].
-  void removeMessage(Message message) {
+  void removeMessage(Message message) async {
+    await _channel._client.chatPersistenceClient?.deleteMessageById(message.id);
+
     final parentId = message.parentId;
     // i.e. it's a thread message, Remove it
     if (parentId != null) {