Fix https://github.com/firefly-iii/firefly-iii/issues/12254 as suggested by @imjuzcy

app/Http/Controllers/Profile/OAuthController.php

@@ -145,7 +145,7 @@ final class OAuthController extends Controller
             ->where('expires_at', '>', Date::now())
             ->get()
             ->filter(fn (#[SensitiveParameter] Token $token) => $token->client->hasGrantType('personal_access'))
-        ;
+            ->values();
 
         return response()->json($tokens);
     }