[OIDC] Verify returned scoeps for all claims are still returned

https://github.com/jazzband/django-oauth-toolkit/pull/1108

This upstream change seems relevant. It might be that our custom implementation works around this new feature entirely.

We should:

• Verify our custom implementation still works
• • Check whether we should move to the new default implementation

added part::backend label

assigned to @nik

assigned to @debdolph and unassigned @nik

Still works.

closed