Case T-134/19: Judgment of the General Court of 10 March 2021 — AM v EIB (Civil service — EIB staff — Remuneration — Admissibility — Time limit for submitting a request to initiate the conciliation procedure — Act adversely affecting an official — Geographical mobility allowance — Transfer to an external office — Refusal to grant the allowance — Action for annulment and for damages)