Redirect to login page when auto-refreshing a (part of a) page while being logged out (#5951)

app/destinations/resources/classes/destinations.php

@@ -440,6 +440,12 @@ if (!class_exists('destinations')) {
 						//alert(action);
 						var xhttp = new XMLHttpRequest();
 						xhttp.onreadystatechange = function() {
+							var url = new URL(this.xmlHttp.responseURL);
+							if (/login\.php$/.test(url.pathname)) {
+								// You are logged out. Not much we can de here.
+								return;
+							}
+
 							if (this.readyState == 4 && this.status == 200) {
 								document.getElementById(id).innerHTML = this.responseText;
 							}