[site-reviews] fix rating fields when theme uses select2.js

/*
 * Fixes Star Rating fields when the theme uses select2.js to style all <select> elements on the page
 * Note: This snippet assumes that the theme uses jQuery with select2.js
 * @see https://github.com/select2/select2
 */
add_action('wp_footer', function () {
    echo '<script>jQuery(function($){setTimeout(function(){$(".glsr-star-rating select.select2-hidden-accessible").select2("destroy")},100)});</script>';
}, 1000);