The Dink is pickleball’s very funny new entry into the classic genre of sports comedies. In the new film, Jake Johnson stars as a washed-up tennis underachiever whose loyalties become divided after befriending a pickleball player played by Mary Steenburgen. It’s got a contest with huge stakes and a surprising dose of heart, and the jokes make it over the net. If you want more breezy fun flicks,…