HOUSTON –– The Dodgers finally found the ingredients needed to snap out of their recent offensive malaise on Monday. A hitter-friendly venue, in the form of Houston’s Daikin Park. A woeful opposing pitching staff, facing an Astros team with the majors’ highest ERA. And, after a two-week scuffle that had frustrated almost every member of their lineup, some much-needed big swings that keyed an 8-3 victory in the opening game of this week’s series. The Dodgers finally found the ingredients needed to snap out of their recent offensive malaise on Monday. Getty Images “I like where our guys’ heads are at,” manager Dave Roberts said before first pitch. “There is a new sense of revitalization walking around the clubhouse today.” That energy might have initially picked up on Sunday, when the Dodgers snapped a four-game losing streak with a vibe-shifting win in St. Louis.…