It seems a given that “Mommie Dearest: The Musical” would depict Joan Crawford screeching “No more wire hangers, ever!” But the show playing Birdland on Monday isn’t big on histrionics. “This is not just a fun-and-games musical,” says Christina Crawford, whose best-selling 1978 memoir, “Mommie Dearest,” described life with the Hollywood legend. “I want people...