Восстановление кук _ga и _fbp в Safari ITP через GTM

<script>
(function() {
  var COOKIES = ['_ga', '_fbp', '_gcl_au'];
  var PREFIX = 'gl_first_party_';

  function getCookie(name) {
    var match = document.cookie.match(new RegExp('(^| )' + name + '=([^;]+)'));
    return match ? match[2] : null;
  }

  function setCookie(name, val, days) {
    var d = new Date();
    d.setTime(d.getTime() + (days * 24 * 60 * 60 * 1000));
    document.cookie = name + '=' + val + ';path=/;expires=' + d.toUTCString() + ';SameSite=Lax';
  }

  COOKIES.forEach(function(c) {
    var current = getCookie(c);
    var saved = null;
    try { saved = localStorage.getItem(PREFIX + c); } catch(e) {}

    if (current) {
      try { localStorage.setItem(PREFIX + c, current); } catch(e) {}
    } else if (saved) {
      setCookie(c, saved, 365);
    }
  });
})();
</script>