title: Wordpress widget area not being applied on 'shop' page
body: <p>Using the code:</p>
  
  <pre><code>add_action('genesis_entry_header', 'mhm_add_woocommerce_categories');
  function mhm_add_woocommerce_categories() {
      if(is_page('shop')) { 
          genesis_widget_area ('mhm_woocommerce_categories');
      }
  }
  </code></pre>
  
  <p>the widget area <code>mhm_woocommerce_categories</code> is not displaying.</p>
  
  <p>I've added <code>YITH WooCommerce Ajax Product Filter</code> widget to the <code>mhm_woocommerce_categories</code> widget area.</p>
  
  <p><code>YITH WooCommerce Ajax Product Filter</code> is not displaying on the <code>/shop</code> page.</p>
  
  <p>In fact, no widget is displaying, and the widget area does not load.</p>
  
  <p>Help appreciated.</p>