magento-test/app/code/Magento/Sitemap/view/adminhtml/templates/js.phtml

<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
?>

<script type="text/x-magento-init">
    {
        "#edit_form": {
            "Magento_Sitemap/js/form-submit-loader" : {}
        }
    }
</script>