Case T-223/18: Judgment of the General Court of 2 June 2021 — Casa Regina Apostolorum della Pia Società delle Figlie di San Paolo v Commission (State aid — Healthcare services — Direct grants to public hospitals in the Lazio Region (Italy) — Decision finding that there is no State aid — Action for annulment — Regulatory act not entailing implementing measures — Direct concern — Admissibility — Obligation to state reasons — Concept of economic activity)