message: delete cached messages on channel delete
diff: @@ -52,5 +52,8 @@ export const handleInternalChannelDelete = (data: ChannelCreatePayload) => {
  }
  cache.channels.delete(data.id);
  + cache.messages.forEach((message) => {
  + if (message.channelID === data.id) cache.messages.delete(message.id);
  + });
  eventHandlers.channelDelete?.(cachedChannel);
  };
  