Newly sprung Dominique Strauss-Kahn enjoyed his first taste of freedom Friday night - a sumptuous four-course meal with red and white wines - at a romantic upper East Side Italian eatery.The one-time candidate for the French presidency dined with his unwavering wife, Anne Sinclair - who was all smiles - and another couple, at Scalinatella Ristorante on E. 61st St. and 3rd Ave."They were very friendly, happy people," said Pedro Inga, the chef, who added that a solicitous Strauss-Kahn made a point of thanking him after their celebratory feast.The...