The default keycloak/openid logintimeout is very short

[msm-cert]

Investigate why in the default mquery configuration the login timeout is very short and needs constant reauthentication.

Fix that, such that either reauthentication is not needed (at most once a few weeks) or happens automatically.

Additionaly, when user gets logged out, if the instance allows anonymous access, the user should see things as anonymous user (instead of having to login - no way around it).

[msm-cert]

How to reproduce:

1. Configure a instance with users enabled, as documented in https://cert-polska.github.io/mquery/docs/users.html
2. Login to your user.
3. Wait for some time (a few minutes).
4. Try to do some action
5. The browser starts reloading and in general does the whole reauthentication flow. This shouldn't happen

The keycloak defaults are as follows:

But just bumping them to infinity is not a solution, I suspect mquery does something wrong. Probably we shouldn't use the keycloak token directly?