SAN DIEGO — The day began with promise and a downtown that was buzzing. The night was damp and quiet. And then, bedlam. And then, more of it. And a continued march toward possible history. The San Diego Padres sent their downtown ballpark and all of their city into a frenzy with a five-run seventh inning Saturday night that propelled them to a 5-3 victory over the hated Los Angeles Dodgers that clinched a trip to the National League Championship Series. A third consecutive victory in the best-of-five NL Division Series made all the losing to the team up the freeway moot as far as 2022 goes. Th…