private static function getCategoryRenderUrl($theme, $item)
 {
     $category = Category::where('name', $item->reference)->first();
     $page = CmsPage::loadCached($theme, $item->cmsPage);
     // Always check if the page can be resolved
     if (!$page) {
         return;
     }
     $url = null;
     if (!$category) {
         $options = ['filter' => null, 'slug' => null];
     } else {
         $options = ['filter' => 'category', 'slug' => $category->slug];
     }
     // Generate the URL
     $url = CmsPage::url($page->getBaseFileName(), $options, false);
     $url = Str::lower($url) . '/';
     return $url;
 }