M3 Integration fixes

Modules/Helpdesk/Policies/TicketPolicy.php

@@ -11,6 +11,8 @@ final class TicketPolicy
 {
     public function viewAny(User $user): bool
     {
+        unset($user);
+
         return true;
     }
 
@@ -23,7 +25,7 @@ final class TicketPolicy
 
     public function create(User $user): bool
     {
-        return true;
+        return $user->exists;
     }
 
     public function update(User $user, Ticket $ticket): bool