LAHAINA, Hawaii — Ambulance and fire truck sirens wailed outside as Elsie Rosales stripped linens from king-sized mattresses at a beachfront resort in Lahaina. She tried to focus on the work, but was beset by dread: Had awildfiretaken the home she scrimped to buy on a housekeeper’s wages?... Filipinos account for about 70% of the members of UNITE HERE Local 5, the union representing workers in those industries, union President Gemma Weinstein said.... Rosales’ 72-year-old sister, Evangeline Ba