Greg Haberny, The Wanker's Ball at Fountain Art FairYesterday afternoon Wynwood streets were surprisingly light in traffic with the exception of a few taxis, rickshaws and Miami Police squad cars along North Miami Avenue. It was nothing like last year when cabs and limos snaked bumper-to-bumper in the gritty nabe.On the corner of 26th Street at the freshly hatched Galerie Sellier (2600 North Miami Avenue) the space was empty inside. It used to house a Puerto Rican bodega with poorly lined shelve