Zendaya was gearing up for a big spring. As she busied herself with interviews and PR stunts to promote her twisty new A24 movie, "The Drama," and shared trailers for her forthcoming blockbusters, "Dune: Part Three" and "Spider-Man: Brand New Day," there was one imminent project she'd yet to openly push, or even acknowledge: The long-awaited third season of "Euphoria," in which she'd reprise her Emmy-winning role as the adolescent drug addict Rue Bennett. The show kick-started the prestige