Ethan Shanfeld “I’m never not doing something,” Dominic Fike tells Variety from the passenger seat of a car.While the 25-year-old artist would usually be writing songs or recording with cross-generational music royalty, these days he’s on set filming Season 2 of “Euphoria.”“It feels like a long music video,” says Fike, who is known for his eccentric and stylized videos but had never considered himself an actor before landing a main role on the hit HBO show.Fike describes his character as a