Let OIDC users block the opaque tokens if only JWT tokens are expected #17471
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Fixes #17457.
This PR introduces a new
quarkus.oidc.token.allow-opaque-token-introspection
property to support the secure deployments expecting JWT tokens only and wishing to avoid any potential slowing down of the endpoint when an opaque (possibly intentionally misformatted JWT sequence) token is sent to Quarkus - since the only way to verify the opaque token is to attempt to verify it remotely