Imagify integration with facet refresh

<?php
/** fixes <picture> tag processing https://d.pr/i/UYLz8P
 ** for facet's ajax refreshes which don't automatically
 ** get processed by imagify
 ** NOT for use with facetwp listing templates
 **/
add_action( 'facetwp_inject_template', function( $output ) {
    $process = New \Imagify\Picture\Display( new Imagify_Filesystem() );
    $output['template'] = $process->process_content( $output['template'] );
    FWP()->request->output = $output;
});