themes-wordpress/mysa/patterns/hidden-search-field.php

<?php
/**
 * Title: Hidden Search Field
 * Slug: mysa/hidden-search-field
 * Inserter: no
 */

declare( strict_types = 1 );
?>
<!-- wp:search {"showLabel":false,"placeholder":"<?php echo esc_html_x( 'Search...', 'This is a placeholder for search field', 'mysa' ); ?>","buttonText":"<?php esc_attr_e( 'Search', 'mysa' ); ?>"} /-->