Fix OIDC scope to permission mapping when scope is empty

[michalvavrik]

fixes: #36911

[sberyozkin]

Thanks @michalvavrik for a quick fix

[michalvavrik]

Thanks @michalvavrik for a quick fix

Np, I was thinking about something even more robust for all sorts of scenarios like scope separator (white space separator white space) that would also result into illegal arg exception, but this seems most performant fix. However while I found plenty of scenarios where users had empty scope, not sure if that happens in a real cases. I think we can stick with this and made adjustments if someone complains. The reported issue resulted in 401, so it's safe (though it was a bug).

[michalvavrik]

@sberyozkin I've made one simple change isEmpty => isBlank that should handle everything (realistic); please have a look again

[quarkus-bot]

✔️ The latest workflow run for the pull request has completed successfully.

It should be safe to merge provided you have a look at the other checks in the summary.

[sberyozkin]

LGTM