message: Qt: update header count regardless of update delay
diff: @@ -237,8 +237,8 @@ static void BlockTipChanged(ClientModel *clientmodel, bool initialSync, int heig
  clientmodel->cachedBestHeaderHeight = height;
  clientmodel->cachedBestHeaderTime = blockTime;
  }
  - // if we are in-sync, update the UI regardless of last update time
  - if (!initialSync || now - nLastUpdateNotification > MODEL_UPDATE_DELAY) {
  + // if we are in-sync or if we notify a header update, update the UI regardless of last update time
  + if (fHeader || !initialSync || now - nLastUpdateNotification > MODEL_UPDATE_DELAY) {
  //pass an async signal to the UI thread
  QMetaObject::invokeMethod(clientmodel, "numBlocksChanged", Qt::QueuedConnection,
  Q_ARG(int, height),
  