On an uneventful summer day, with no news related to borders, Fawad Khan, the Pakistani actor, started trending on Twitter in India. Soon it turned into a kerfuffle, with almost everyone posting and retweeting a 40-second clip of the gorgeous actor, in a short scene from the enormously popular Disney+ series Ms. Marvel. Frenzied Indian fans of Ms. Marvel’s actor swooned over the tiny clip circulating, and one assumed it was simply an expression of fandom from this part of the world. Cut to beautiful actress Mahira Khan’s Instagram video from a recent award ceremony in Ontario. A click on the l…