Case C-625/21: Judgment of the Court (Ninth Chamber) of 8 December 2022 (request for a preliminary ruling from the Oberster Gerichtshof — Austria) — VB v GUPFINGER Einrichtungsstudio GmbH (Reference for a preliminary ruling — Directive 93/13/EEC — Unfair terms in consumer contracts — Unjustified withdrawal from a contract by the consumer — Term determining the trader’s right to compensation declared unfair — Application of supplementary national law)