newsupernova/vendor/magento/module-gift-message/view/adminhtml/templates/popup.phtml

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

// @codingStandardsIgnoreFile

?>

<?php if ($block->getChildHtml()) :?>
<div id="gift_options_configure_new" class="gift-options-popup product-configure-popup" style="display: none;">
    <div id="gift_options_form_contents">
        <div class="content">
            <?= $block->getChildHtml() ?>
        </div>
        <div class="ui-dialog-buttonset">
            <button type="button" class="action-close" id="gift_options_cancel_button"><span><?= /* @escapeNotVerified */ __('Cancel') ?></span></button>
            <button type="button" class="action-primary" id="gift_options_ok_button"><span><?= /* @escapeNotVerified */ __('OK') ?></span></button>
        </div>
    </div>
</div>

<div id="giftoptions_tooltip_window" class="gift-options-tooltip" style="display: none;">
    <div id="giftoptions_tooltip_window_content">&nbsp;</div>
</div>

<script>
require([
    "Magento_Sales/order/create/giftmessage",
    "Magento_Sales/order/giftoptions_tooltip"
], function(){

//<![CDATA[
var giftMessageSet = new GiftMessageSet();

_giftOptions = new GiftOptionsPopup();
giftOptionsTooltip.setTooltipWindow('giftoptions_tooltip_window','giftoptions_tooltip_window_content');
//]]>
window.giftMessageSet = giftMessageSet;
});
</script>
<?php endif;?>