A gambling dispute that started with an allegedly fake Knicks bet has ended with three Michigan men facing kidnapping and extortion charges in Las Vegas. Police say dentist Issa Hamade, DJ Ahmad Harb, and physical therapist Sobhi Sobh, all in their early 30s, lured New Yorker Naved Azim to an MGM Grand room, where he was beaten, strangled, gagged, and shoved into a closet as the men tried to force payment on what they claimed were gambling debts. According to a police report cited by the Las…