When a fake wedding announcement featuring Zendaya and Robert Pattinson popped up in a late-year print issue The Boston Globe, it looked like a star-studded romcom was underway. But “The Drama,” indie studio A24’s latest film, has stirred controversy, and most audiences don’t know what its about. The film’s trailers, the first of which was dropped just a day after the wedding announcement, revealed a somewhat vague plot line—Zendaya and Pattinson play Emma and Ch...