With writer-director Joel Edgerton’s “Boy Erased,” Lucas Hedges adds yet another heart-wrenching performance to his already-impressive (and Academy Award-nominated) résumé. The drama, about a teenaged boy sent by his parents to a gay conversion camp, also stars Edgerton, and Academy Award winners Nicole Kidman and Russell Crowe. Courtesy of Focus Features, it hits theaters Nov. 2. Watc…