[Bug] Missing user problem during promote/demote

[Street3r]

When promoting a user, you may encounter an issue if the user creation was missed and the user cannot be found. In these situations, create the user and promote them automatically.

Take this to account also in fake product.

{"@timestamp":"2025-01-26T14:54:57.487Z","log.level":"info","message":"Promoting user 'UserPC' to admin","ecs.version":"1.6.0","log":{"logger":"takrmapi.api.usercrud","origin":{"file":{"line":44,"name":"usercrud.py"},"function":"user_promoted"},"original":"Promoting user 'UserPC' to admin"},"process":{"name":"MainProcess","pid":39,"thread":{"id":140522935848960,"name":"MainThread"}}}
{"@timestamp":"2025-01-26T14:54:57.489Z","log.level":"warning","message":"User 'UserPC' certificate check failed ::: [Errno 2] No such file or directory: '/opt/tak/data/certs/files/UserPC.pem'","ecs.version":"1.6.0","log":{"logger":"takrmapi.tak_helpers","origin":{"file":{"line":328,"name":"tak_helpers.py"},"function":"user_cert_validate"},"original":"User 'UserPC' certificate check failed ::: [Errno 2] No such file or directory: '/opt/tak/data/certs/files/UserPC.pem'"},"process":{"name":"MainProcess","pid":39,"thread":{"id":140522935848960,"name":"MainThread"}}}