fix: don't initialize messages if not logged-in

GameEngine/Session.php

@@ -278,6 +278,10 @@ class Session {
 };
 $session = new Session;
 $form = new Form;
-$message = new Message;
+
+// if there is no user, we'd try to load messages for user with ID 0, which is wrong
+if ($_SESSION['id_user']) {
+    $message = new Message;
+}
 
 ?>

todo.txt

@@ -1,4 +1,3 @@
-- dorf1.php without being logged-in (but being logged-in via Admin) takes forever to load
 - allow sending Mass Message + System Message from Admin
 - fix editing current task from Taskmaster -> number never match the edited quest after save
 - cannot delete a single medal in admin