It’s seedy, fishy, and crummy…and that’s why we love it. New York BagelFest is at Citi Field’s Piazza 31 Club on Saturday, Sept. 28, from 10 am to 4 pm. Celebrating its fifth anniversary – but in Queens for the first time – this smorgasbord features about 50 exhibitors of bagels (naturally), spreads, and other…