The Nets and Kyrie Irving have not gotten any closer to finding an amicable solution that keeps the superstar guard in Brooklyn. In fact, things are trending the opposite direction: While Nets GM Sean Marks and superstar forward Kevin Durant have yet to speak this offseason, Irving’s camp has requested and received permission from the Nets to speak with other teams about sign-and-trade packages, according to multiple sources familiar with the situation. The belief among both league and player circles is that Irving is gone and the Seven-Eleven Era is over before it ever began. Irving only appe…