Republican gubernatorial candidate Bruce Blakeman applauded the US Supreme Court’s ruling upholding state bans on transgender athletes competing in women’s sports Tuesday — as the court battle over Nassau County’s own edict continued. Blakeman, the Nassau executive, banned trans athletes from participating on women’s sports teams in county-owned facilities, a prohibition that state Attorney General Letitia James has challenged in court. “We made history in Nassau County when I signed the nation’