NEW YORK — Sure, there were the RBG bobbleheads, the Halloween getups, the lace collars, the workout videos. The “I dissent” T-shirts, the refrigerator magnets, the onesies for babies or costumes for cats. And yes, the face masks, with slogans like: “You can’t spell TRUTH without RUTH.”But the pop culture status that Ruth Bader Ginsburg found — or rather, that found her — in recent years was just a side show, albeit one that amused her, to the unique and profound impact she …