Sentenced to 480 hours of community service for a sticky-fingered scene at Saks, Winona Ryder will put in a quarter of them at the LA-based Caring for Children and Families with AIDS. But her felon status means she can’t canoodle directly with the kids, as fellow celeb CCFA volunteer Christian Slater does. She’s confined to the front office, a CCFA rep said. File, Winona!