We’d like to interrupt this ode to Rome with a 17-course omakase dinner, plus a bonus aperitivo hour – just because. Sushi by Scratch, a concept restaurant that’s crushed it in Austin, Chicago and Denver, now wants to prove that if they can make it in NYC, they can make it anywhere. Atmosphere A certain tone is set when you enter through a hidden basement door beneath a nail salon. You almost feel like you need a secret password as…