[feature/oidc-dcr-fallback] Fallback on/ignore OIDC Dynamic Client Re…

…gistration errors (#1068)

* - update SDK to add support for authentication-oauth2.oidc-fallback-on-client-registration-failure, defaulting to true, to allow the automatic fallback to default client_id / client_secret if OpenID Connect Dynamic Client Registration fails with any error

* - fix infinite OAuth2 token refresh loop via SDK update