Dave Portnoy just handed out one of his highest pizza ratings ever to a newly opened pizzeria in Little Italy – which is now causing impatient lines and sold-out pies. The Barstool Sports founder is known for his viral — not to mention controversial — one-bite pizza reviews. And he recently gave Ceres — a three-month-old-or-so pizzeria at 164 Mott St. run by two former Eleven Madison Park chefs, Jake Serebnick and Julian Geldmacher — a whopping 9.2 out of 10 score. Portnoy showered it with praise, calling it “spectacular” and “must-have, top-of-the-list Manhattan pizza … as good as it...