More than three years after Jussie Smollett told police he was the victim of a racist and homophobic attack on a dark, cold Chicago street, all the questions swirling around the actor — from whether he staged a fake attack to why he would do such a thing — now boil down to two: Will he admit he lied to police and will he be sent to prison?On Thursday, three months after a jury found him guilty of lying to police, those questions will be answered when Smollett, a onetime star of the television show “Empire,” returns for …