Restore default branding in window title.

resources/footer.php

@@ -163,6 +163,9 @@
 		else if (isset($_SESSION['software_name'])) {
 			$document_title = $_SESSION['software_name'];
 		}
+		else {
+			$document_title = 'FusionPBX';
+		}
 		$document_title = (!empty($document['title']) ? $document['title'].' - ' : null).($document_title ?? '');
 		$view->assign('document_title', $document_title);
 	//domain selector control