Florence Pugh and Harry Styles go back in time in “Don’t Worry Darling,” Allison Janney has a very special set of skills in “Lou,” and Tyler Perry tackles his passion project in “A Jazzman’s Blues,” all of which are among this week’s new movies and streaming titles. Here’s a look at what’s new in theaters and at home this week, where to find them and whether they’re worth your time. “Don’t Worry Darling”: It’s one of the year’s most talked-about movies, for reasons that don’t have anything to do with what’s on screen. The backstage drama from the making of “Don’t Worry Darling,” director Olivi…