By Matt Audilet The Golden State Warriors are already looking pretty unstoppable heading into this year’s NBA Finals. But according to NBA insider Shams Charania, the Dubs could be getting another huge boost on the final stretch of their title run. Warriors guard Gary Payton II is reportedly on track to return to the floor sometime during this year’s Finals series. There’s “optimism” that he could be back in the lineup as early as Game 1 next Thursday. Payton has been out of the Warriors’ rotation since he suffered an elbow fracture during Game 2 of his team’s second-round series against the M…