Kinsey theme: unset featured videos from Portfolio List Backgrounds widget

<?php

add_filter('arts/elementor/kinsey_widget_portfolio_list_backgrounds/queried_posts', 'custom_kinsey_empty_video_url_field_portfolio_list_background_widget');
function custom_kinsey_empty_video_url_field_portfolio_list_background_widget( $posts ) {
  $posts = array_map(
    function( $post ) {
      $post['video_url'] = '';

      return $post;
    },
    $posts
  );

  return $posts;
}