The Sixers have their fair share of issues to address this offseason, and Tobias Harris and his contract are certainly no exception. After bowing out of the second round for the fourth time in the last five seasons, this time at the hands of the Miami Heat, the Sixers once again are heading into a summer with plenty of things to address. That includes the future of Doc Rivers, a potential long-term deal for James Harden, and the currently sub-optimal roster depth. What exactly to do with Tobias Harris also falls in that category. Following a year defined by shifting…