code: public static CmsHtmlList getListObject(Class<?> listDialog, CmsWorkplaceSettings settings) {
  
          return getListObjectMap(settings).get(listDialog.getName());
      }
docs: Returns the list object for the given list dialog, or <code>null</code>
  if no list object has been set.<p>
  
  @param listDialog the list dialog class
  @param settings the wp settings for accessing the session
  
  @return the list object for this list dialog, or <code>null</code>