Switch payment and order wrap within Germanized checkout

functions.php

<?php

add_action( 'after_setup_theme', 'my_child_adjust_checkout', 1000 );

function my_child_adjust_checkout() {
    remove_action( 'woocommerce_checkout_order_review', 'woocommerce_order_review', 20 );
    remove_action( 'woocommerce_checkout_order_review', 'woocommerce_checkout_payment', 10 );
    
    add_action( 'woocommerce_checkout_order_review', 'woocommerce_order_review', 10 );
    add_action( 'woocommerce_checkout_order_review', 'woocommerce_checkout_payment', 20 );
}

add_filter( 'woocommerce_gzd_insert_order_submit_fallback', '__return_false' );
add_filter( 'wc_gzd_checkout_params', 'my_child_prevent_gzd_checkout_heading_switch', 10 );

function my_child_prevent_gzd_checkout_heading_switch( $params ) {
    $params['adjust_heading'] = false;
    
    return $params;
}