code: private function updateImageWithDisabled(ModelInterface $model, $image)
      {
          $this->preCreateInverseImage($model, $image);
  
          if ($model->getProperty('enabled')) {
              return $image;
          }
          if (false === $intPos = strrpos($image, '.')) {
              return $image;
          }
  
          return substr_replace($image, '_1', $intPos, 0);
      }
docs: Add the '_1' suffix to the image if it is disabled.
  
  @param ModelInterface $model The model.
  @param string         $image The image to alter.
  
  @return mixed