Cynthia Erivo didn’t mince words when discussing the challenges she and co-star Ariana Grande have faced while promoting “ Wicked: For Good .” “We have come through some shit,” Erivo told a packed audience at the Saban Media Center Wolf Theater during a Screen Actors Guild NomCom consideration screening Sunday night. “I mean, fuck even this last week, let’s be honest.” The comments come days after Erivo intervened when a man jumped a barricade at the film’s Singapore premiere and rushed toward