magento-test/app/code/Magento/AdminAdobeIms/view/adminhtml/templates/load_icons.phtml

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

use Magento\Framework\Escaper;
use Magento\Framework\View\Element\Messages;
use Magento\Framework\View\Helper\SecureHtmlRenderer;

/**
 * @var $block Messages
 * @var $escaper Escaper
 * @var SecureHtmlRenderer $secureRenderer
 */
?>
<script type="text/x-magento-init">
    {
        "*": {
            "Magento_AdminAdobeIms/js/admin_adobe_ims_load_icons": {
                "spectrumCssIcons": "<?= $escaper->escapeUrl(
                    $block->getViewFileUrl('Magento_AdminAdobeIms::images/spectrum-css-icons.svg')
                ) ?>",
                "spectrumIcons": "<?= $escaper->escapeUrl(
                    $block->getViewFileUrl('Magento_AdminAdobeIms::images/spectrum-icons.svg')
                ) ?>"
            }
        }
    }
</script>