Knicks fans need a diversion from tonight’s NBA Draft. Paying attention to the goings-on in Brooklyn will only remind them of the team’s terminally sorry state and latest self-immolational threats. Well, owner James Dolan has just the ticket. While the basketball people he’s hired and stood by through thin and thinner do their thing at the Barclays Center, Dolan will be rocking the City Winery in Manhattan with his band, J.D. & the Straight Shot. Look for the Americana/alt-country combo, fresh off a tour opening for Don Henley and preparing for a swing through Europe with the Doobie Brothers, to play its new single, “I Know, You Know, I Know.” Barring a miracle, the band will not be playing “Fix The Knicks.” That’s a tune the owner wrote and recorded in 2011…