ANAHEIM, Calif. — William Karlsson felt the only thing that would take time to come back to him was his timing. The skating was there. The speed would be there. Defense? No problem. It took one period for the chemistry to show with his new linemates , with Mitch Marner recording his first career playoff hat trick and Brett Howden posting a two-point night. That line combined for seven points in the Vegas Golden Knights ’ 6-2 win in Game 3 over the Anaheim Ducks at Honda Center on Friday. “When we get started cycling there, I think we’re doing a good job supporting each other,” Karlsson said. “We always have someone available and kind of know where everyone is at all times. It’s just been clicking so far, but we got to keep going. It’s hard work behind it, but it was a good one.” Shot-wise, the Knights’ new second line was even. Shot attempts were 7-7 and shots on goal were 4-4 while on the ice for a team-high 10:07. “I think they had the puck,” coach John Tortorella said.…