server returns status code 500 when deleting auth-app token of a different user

[nirajacharya2]

Describe the bug

deleting auth-app token of a user by another user both normal user and admin gives 500 status code.
https://owncloud.dev/services/auth-app/#via-api

Steps to reproduce

1. moss creates an auth-app token

curl -kv -XPOST 'https://localhost:9200/auth-app/tokens?expiry=72h' -umoss:vista

2. marie and admin tries to delete token

curl -kv -XDELETE "https://localhost:9200/auth-app/tokens?token=$2a$11$mkKiEkxurCe4/W8CTfXcrOS0I5nWFNmT.U6PEey8KsO5k2E2b8iAG" -umarie:radioactivity|jq

or

curl -kv -XDELETE "https://localhost:9200/auth-app/tokens?token=$2a$11$mkKiEkxurCe4/W8CTfXcrOS0I5nWFNmT.U6PEey8KsO5k2E2b8iAG" -uadmin:admin|jq

Expected behavior

The server should return something like 403.
but in case of admin user i'm not clear about the expected behavior.

Actual behavior

the server return 500 status code

 TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
< HTTP/1.1 500 Internal Server Error
< Content-Length: 0

Setup

env

OCIS_ADD_RUN_SERVICES=auth-app
AUTH_APP_ENABLE_IMPERSONATION=true

ownCloud Web UI 11.1.0
 Infinite Scale 7.1.0-rc.2+4dc5d13631 Community