message: fix: show notifications for group messages
diff: @@ -27,6 +27,7 @@ export default class NotificationPlugin extends AbstractPlugin {
  super(MIN_VERSION, MAX_VERSION, pluginAPI);
  pluginAPI.addAfterReceiveMessageProcessor(this.afterReceiveMessageProcessor, 90);
  + pluginAPI.addAfterReceiveGroupMessageProcessor(this.afterReceiveMessageProcessor, 90);
  pluginAPI.registerPresenceHook(this.onPresence);
  }
  