:bug: adding back default api format for related posts

plugins/cia-endpoints/includes/related-items.php

     );
     $related_items = get_posts($args);
     forEach( $related_items as $item ) {
-        $collection[$item->ID] = $item;
+        $collection[$item->ID] = default_post_format($item, true);
     }
     return $collection;
 }