Fixes #42874 Empty, whitespace-only, and missing `FLEET_JIT_USER_ROLE_*` SAML attribute values are now treated as `null` (ignored) instead of returning an error, matching the literal `"null"` workaround.
Fixes #42874 Empty, whitespace-only, and missing `FLEET_JIT_USER_ROLE_*` SAML attribute values are now treated as `null` (ignored) instead of returning an error, matching the literal `"null"` workaround.