message: Open cache dir setdisble when not cached
diff: @@ -477,6 +477,7 @@ void FileTableView::contextMenuEvent(QContextMenuEvent *event)
  retry_upload_cached_file_action_->setVisible(false);
  delete_local_version_action_->setVisible(false);
  local_version_saveas_action_->setVisible(false);
  + open_local_cache_folder_action_->setEnabled(false);
  //
  // paste_action shows only if there are files in the clipboard
  @@ -641,6 +642,11 @@ void FileTableView::contextMenuEvent(QContextMenuEvent *event)
  local_version_saveas_action_->setVisible(true);
  }
  + QString localpath = DataManager::getLocalCacheFilePath(parent_->repo_.id, parent_->current_path_);
  + if (QFileInfo(localpath + dirent->name).exists()) {
  + open_local_cache_folder_action_->setEnabled(true);
  + }
  +
  context_menu_->exec(position); // synchronously
  //
  