LIDO BEACH - ? Family and friends of a Nassau County teacher who died while surfing this summer are healing by helping others.Surfers Healing, a camp for autistic children, held an event yesterday at Lido Beach in memory of Daniel Bobis. More than 100 children attended.Bobis, a Long Beach H.S. math teacher, died surfing in Indonesia in July. Remains of teacher who died surfing in Indonesia back on LI