docs: CmsResourceInfo formatExplorerType(CmsExplorerTypeSettings explorerType) {
  
          Resource icon = CmsResourceUtil.getBigIconResource(explorerType, null);
          String title = CmsVaadinUtils.getMessageText(explorerType.getKey());
          if (title.startsWith("???")) {
              title = explorerType.getName();
          }
          String subtitle = explorerType.getName();
          if (explorerType.getReference() != null) {
              subtitle += " (" + explorerType.getReference() + ")";
          }
          CmsResourceInfo info = new CmsResourceInfo(title, subtitle, icon);
          return info;
      }