/**
 * Renders the layout file and data on the context and does a fall back to
 * Fields afterwards.
 *
 * @param   string  $context      The context of the content passed to the helper
 * @param   string  $layoutFile   layoutFile
 * @param   array   $displayData  displayData
 *
 * @return  NULL|string
 *
 * @since  3.7.0
 */
public static function render($context, $layoutFile, $displayData)