It’s a party foul. Tickets to the Knicks watch party at Radio City Music Hall are selling on the secondary market for 140 times the sticker price. The official watch party at the iconic Rockefeller Center venue went on sale for just $10 at 10 a.m. Saturday, and were quickly scooped up. It didn’t take long for the profit-hungry to try and make a buck. One ticket close in the theater’s pit at the Game 5 watch party was going for $1,450 on secondary marketplace Vivid Seats. Higher up seats on the