nextcloud-server/core/templates/layout.initial-state.php

<?php
/**
 * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */
?>
<div id="initial-state-container" style="display: none;">
    <?php foreach ($_['initialStates'] as $app => $initialState) { ?>
        <input type="hidden" id="initial-state-<?php p($app); ?>" value="<?php p(base64_encode($initialState)); ?>">
    <?php }?>
</div>