Royal Opera House, LondonLaura Morera takes her final bow as Anastasia in a night that also includes Christopher Wheeldon's winningly athletic Olympian ballet and McGregor's Untitled, 2023 The austere title of Wayne McGregor's new ballet is clear: Untitled, 2023 is not about stories. The set, designed by artist Carmen Herrera shortly before her death at 106, is strikingly stark, its ice-white expanses cut by geometri…