Tom Felton and Daniel Radcliffe have both flown from Hogwarts to Broadway. Tony Award winner Radcliffe is notching his fifth credit on the Great White Way this Spring in “Every Brilliant Thing,” while Felton is making his debut in “ Harry Potter and the Cursed Child ” on Nov. 11. Felton, who will be reprising his magical movie role of Draco Malfoy, only as an adult, says his former “Potter” movie co-star with more stage experience has lent him a hand. “I’ve taken a few tips from Potter, this is