message: refactor: qt: Use vQueueNotifications.clear()
diff: @@ -747,7 +747,7 @@ void TransactionTablePriv::ShowProgress(const std::string &title, int nProgress)
  vQueueNotifications[i].invoke(parent);
  }
  - std::vector<TransactionNotification >().swap(vQueueNotifications); // clear
  + vQueueNotifications.clear();
  }
  }
  