By default FacetWP will remove the “sticky” functionality of featured listings in Listify. If you would like featured listings to remain at the top you will need to insert this code in the “Query Arguments” field in the “Listings” template in “Settings > FacetWP > Templates”
Then add the following code to your child theme’s functions.php file:
Note: If you are using a “Search” facet please see “Relevancy sort” in https://facetwp.com/documentation/search/