Case C-21/22, OP (Choice of the law of a third state for succession): Judgment of the Court (Third Chamber) of 12 October 2023 (request for a preliminary ruling from the Sąd Okręgowy w Opolu — Poland) — OP v Notariusz Justyna Gawlica (Reference for a preliminary ruling — Judicial cooperation in civil matters — National law applicable in matters of succession — Regulation (EU) No 650/2012 — Article 22 — Choice-of-law clause — Scope ratione personae — Third-country national — Article 75 — Relationship with existing international conventions — Bilateral agreement between the Republic of Poland and Ukraine)