“Sopranos” star James Gandolfini, who struggled with booze addiction in his final weeks, scarfed down a decadent final meal that included at least eight alcoholic drinks, The Post has learned. Gandolfini guzzled four shots of rum, two pina coladas, and two beers at dinner with his son — while he chowed down on two orders of fried king prawns and a “large portion” of foie gras, a hotel source in Rome said. The Emmy Award winner had attended several Alcoholics Anonymous meetings on Perry Street in the West Village, but people who saw him there “didn’t think that he was...