fix bug

Author: simonLeary42

resources/init.php

@@ -34,7 +34,9 @@
 $WEBHOOK = new UnityWebhook();
 $GITHUB = new UnityGithub();
 
-$_SESSION["messages"] = [];
+if (!array_key_exists("messages", $_SESSION)) {
+    $_SESSION["messages"] = [];
+}
 
 if (isset($_SERVER["REMOTE_USER"])) {
     // Check if SSO is enabled on this page