The scene from inside the Honda Center on Thursday said it all. There was the fist pump from goaltender Lukas Dostal. The sea of orange-clad fans, scattered across the seats, descending into a frenzy as the horn sounded and Game 6 — a 5-2 win to secure a first-round series win — ended. The dozen-plus Ducks flipping over the boards and gliding across the ice, starting a celebration absent from the franchise for nearly a decade. “Unreal,” Dostal, who backstopped all four wins over the Oilers, told reporters from his locker room stall postgame, and that really was a fitting word to describe the statement they’d just made. Edmonton had advanced to the past two Stanley Cup Finals. The Oilers possess one of the game’s most dynamic players in Connor McDavid. But they ran into the buzz saw of the Western Conference, the Ducks suddenly relevant again well ahead of schedule.…