When’s the last time you saw a truly fresh talent on screen? Someone so charismatic that you couldn’t wait to find out who they are, what they’ve done before and why you’ve never noticed? That’s what it feels like to watch Hayden Szeto as the sweetly dorky love interest to Hailee Steinfeld’s lead in “The Edge of Seventeen ,” a charmingly sardonic coming-of-age story from the promising writer-director Kelly Fremon Craig in her feature debut.
