Customize the SearchWP Engine used for Divi Search Results Template

searchwp-customizations.php

<?php

// Use `supplemental` Engine for Divi Search Results Templates.
// @link https://searchwp.com/documentation/knowledge-base/divi/
add_filter( 'searchwp\integration\pagebuilder\engine', function( $engine, $params ) {
  if ( 'divi' === $params['context'] ) {
    $engine = 'supplemental';
  }

  return $engine;
}, 10, 2 );