PHILADELPHIA — The Sixers are in the midst of a tough transition as they wait for James Harden’s debut. A season ago, the 76ers faced the Utah Jazz in the final game before NBA All-Star Weekend in what was a clash of the NBA’s conference leaders. Rudy Gobert, a three-time NBA Defensive Player of the Year, was expected to provide the stiffest individual test for Joel Embiid. But the Sixers All-Star posted an MVP-worthy performance while dominating Gobert in an overtime victory. Fast forward to Thursday night and Embiid and the Sixers (34-23) will head into the Fiserv Forum looking to steal a vi…