A famous Florentine restaurant, Cantinetta Antinori, comes to New York for a brief time next month… Mondrian SoHo, one of New York City’s more high-spirited hotels, turns to Florence for inspiration for its first-ever pop-up restaurant. From October 3 through 6, diners can enjoy a selection of Cantinetta Antinori’s signature dishes in the hotel’s inaugural pop-up enterprise, which will be …