Roki Sasaki isn’t losing his job in the Dodgers’ rotation anytime soon. But whether he can find his old self remains another, much more consequential question. It was only a couple weeks ago that Sasaki seemed to be in survival mode — both on the mound and the Dodgers’ roster. Early this year, he couldn’t command his pitches. He wasn’t getting deep into starts. And though he had managed to avoid many disasters, his place on the club seemed tenuous at best . In recent weeks, however,