title: Sort Woocommerce products catalog to alphabetical desc order by default
body: <p>In Woocommerce with Avada theme, I am trying to sort products alphabetically in DESC order with the following code:</p>
  
  <pre><code>add_filter( 'woocommerce_get_catalog_ordering_args', 'custom_woocommerce_get_catalog_ordering_args' );
  
  function custom_woocommerce_get_catalog_ordering_args( $args ) {
      $orderby_value = isset( $_GET['orderby'] ) ? woocommerce_clean( $_GET['orderby'] ) : apply_filters( 'woocommerce_default_catalog_orderby', get_option( 'woocommerce_default_catalog_orderby' ) );
  
      if ( 'alphabetical' == $orderby_value ) {
          $args['orderby'] = 'title';
          $args['order'] = 'DESC';
      }
  
      return $args;
  }
  
  add_filter( 'woocommerce_default_catalog_orderby_options', 'custom_woocommerce_catalog_orderby' );
  add_filter( 'woocommerce_catalog_orderby', 'custom_woocommerce_catalog_orderby' );
  
  function custom_woocommerce_catalog_orderby( $sortby ) {
      $sortby['alphabetical'] = __( 'Alphabetical' );
      return $sortby;
  }
  </code></pre>
  
  <p>But it's not working. Default Woocommerce sorting options <em>(Price, popularity etc …)</em> are working fine.</p>
  
  <p>What I am doing wrong?</p>