/**
  * @param string $mode
  *
  * @return mixed|string
  */
 public function getMode($mode = 'list')
 {
     if ($this->getOrder()) {
         $website = $this->_storeManager->getStore($this->getOrder()->getStoreId())->getWebsite();
         $mode = $this->helper->getReviewDisplayType($website);
     }
     return $mode;
 }