For the last week, the Dodgers had been scuffling offensively. In the fourth inning on Saturday, they finally looked like themselves again. With a six-run rally keyed by quality at-bats, timely hits and the kind of relentless approach the team wants to pride itself on this season, the Dodgers built perhaps their best –– and most important –– inning at the plate all season, turning an early deficit into a massive lead en route to a 12-4 win over the Chicago Cubs. Entering Saturday, the Dodgers had lost five of seven games thanks largely to a lack of production from the lineup. In the fourth inning on Saturday, they finally looked like themselves again. Kiyoshi Mio-Imagn Images During the skid, they’d scored more than four runs only twice. They were enduring slumps from Shohei Ohtani , Freddie Freeman, Kyle Tucker and Teoscar Hernández. And things had gotten so frustrating, Freeman and Ohtani shared a light-hearted, but telling, moment in the players’ parking lot walking into the ballpark Saturday morning.…