Fix patreon role check (again)

Life without typecast is hard

app/Http/Controllers/Auth/DiscordAuthController.php

@@ -120,7 +120,8 @@ class DiscordAuthController extends Controller
         }
 
         // Only update if something actually changed
-        if ($user->is_patreon !== $isPatreon) {
+        $isPatreonOld = (bool) $user->is_patreon;
+        if ($isPatreonOld !== $isPatreon) {
             $user->update([
                 'is_patreon' => $isPatreon,
             ]);