Case T-113/20: Judgment of the General Court of 16 March 2022 — BSEF v Commission (Energy — Directive 2009/125/EC — Ecodesign requirements for electronic displays — Regulation (EU) 2019/2021 — Ban on halogenated flame retardants in the enclosure and stand of electronic displays — Competence of the author of the act — Manifest error of assessment — Legal certainty — Proportionality — Equal treatment)