Use woo thumbnail for Header Element Background

WooCatHeaderElement-BG.php

add_filter( 'generate_page_hero_background_image_url', function( $url ) {
    
    if ( ! function_exists( 'get_woocommerce_term_meta' ) ) {
        return $url;
    }

    global $wp_query;
    $cat = $wp_query->get_queried_object();
    $thumbnail_id = get_woocommerce_term_meta( $cat->term_id, 'thumbnail_id', true ); 
    $background_image = wp_get_attachment_url( $thumbnail_id );

    if ( $background_image ) {
        $url = $background_image;
    }

    return $url;
});