Case T-223/21: Judgment of the General Court of 5 July 2023 — SE v Commission (Civil service — Members of the temporary staff — Recruitment — Contract of employment — Article 2(b) of the CEOS — Rejection of an application — Promotion — Reclassification — New contract — Expiry of the contract — Article 8, second paragraph, and Article 10(3) of the CEOS — Error of law — Equal treatment — Action for annulment — Admissibility)