“Activist,” “muse,” “empath,” “icon” read credits for four photo shots of Lady Isabella Ravenhyde in Samuel Abrahams’ buzzy and tenderly comic mockumentary “Lady,” packing a tour de force performance by Sian Clifford, Phoebe Waller-Bridge’s control-freak elder sister in “Fleabag.” Tallinn’s best director winner in its First Feature Competition on Saturday, “Lady”’s “icon” pose has Clifford […]