NEW YORK — Only one thing’s for certain every NBA trade season: Some team, somewhere, is bound to fumble a bag. This year, of course, it’s the Sacramento Kings — who haven’t made the playoffs in 16 years and counting — who are racking up frequent-fumbler mileage as the trade deadline gets closer. Perhaps showcasing Tyrese Haliburton’s skills front-and-center in an effort to seduce an opposing team into making an offer was the plan all along. If it was, it was a bad one that worked more in Indiana’s favor. The Pacers reportedly parted ways with All-Star big man Domantas Sabonis, journeymen Just…