Tiger Woods is stuck in the past when it comes to his relationship with ex-wife Elin Nordegren, but the Swedish model has moved on. Nordegren — who shares daughter Sam, 16, and son Charlie, 15, with the professional golfer — starting dating her longtime partner,NFL star Jordan Cameron, in 2017. The pair later welcomed kids Zeta, Freya and Arthur. “She is very happy with Jordan and only maintains a relationship with Tiger for the sake of their kids,” a source spilled to a news outlet. “Not that that’s stopped him from this fantasy that they could still find their way back to each other.” “Tiger…