public function actionDefault($name, $size = null)
 {
     try {
         /** @var IImage $image */
         $image = $this->mediaManager->publishIcon($name, $size);
     } catch (FileNotFoundException $e) {
         throw new BadRequestException($e->getMessage(), 404, $e);
     }
     header('Content-Type: ' . $image->getContentType());
     $this->sendResponse(new FileContentResponse($image->save(null, null, $image->getImageType()), $image->getName(), $image->getContentType(), false));
 }