facetwp only main query for bb module with facetwp enabled

<?php
/**
 ** hooks into facetwp_is_main_query to prevent any query except one with bb module facetwp enabled setting
 ** from being set as main query
 **/

add_filter( 'facetwp_is_main_query', function( $is_main_query, $query ) {
	$settings = $query->get( 'settings' );
	if ( empty( $settings->facetwp ) || 'enable' != $settings->facetwp ) {
		$is_main_query = false;
	}
	return $is_main_query;
}, 10, 2 );