Render views

    $view = Views::getView('irsjg_homepage_slicks');

    if (!is_object($view)) {
      return;
    }
   
    $view->setDisplay('block_home_video_slider');
    $view->preExecute();
    $view->execute();
    $view->element['#attached']['library'][] = 'irsjg_home/video_slider';
  
   $rendered = $view->render();
   $output = \Drupal::service('renderer')->render($rendered);

   return [
     ['#markup' => $output]
   ];
 // orrrrrrrrrrr


    $view = Views::getView('irsjg_homepage_slicks');

    if (!is_object($view)) {
      return;
    }
   
    $view->setDisplay('block_home_video_slider');
    $view->preExecute();
    $view->execute();
    $view->element['#attached']['library'][] = 'irsjg_home/video_slider';
    $content = $view->buildRenderable('block_home_video_slider');  
 
    return $content;