Zanzana: Fix check request with wildcard as object name

[alexanderzobnin]

What is this feature?

Fixes regression introduced in #120477

logger=zanzana.server t=2026-03-24T14:14:02.037184955Z level=error msg="failed to perform check request" error="failed to check typed resource: failed to perform openfga Check request: rpc error: code = Code(2000) desc = the 'object' field cannot reference a typed wildcard" namespace=stacks-13
error logger=zanzana.server t=2026-03-24T14:14:02.03715651Z level=error msg="failed to perform check" error=null subject=service-account:ce4ltewlm04cgb relation=get_permissions object=user:*

Why do we need this feature?

[Add a description of the problem the feature is trying to solve.]

Who is this feature for?

[Add information on what kind of user the feature is for.]

Which issue(s) does this PR fix?:

Fixes #

Special notes for your reviewer:

Please check that:

• It works as expected from a user's perspective.
• If this is a pre-GA feature, it is behind a feature toggle.
• The docs are updated, and if this is a notable improvement, it's added to our What's New doc.

[grafana-delivery-bot]

🚀 Your submission is now being built and packaged.

• GitHub Actions Build
• Version: 13.0.0-23501183636