Sylvie ( Isabelle Huppert ), the pivotal figure in Asghar Farhadi ’s “ Parallel Tales ,” is a French novelist whose better days are behind her. She lives in a stately old Paris apartment that’s starting to fray at the seams, and her whole vibe is that of an analog crank. When she goes into writing mode, she lights up a cigarette, puts on her stodgy spectacles and sits down at her ancient Olivetti electric typewriter, which is clearly the same machine she’s been using for decades. As she starts the writing process, she pecks at the typewriter a few letters at a time. It’s doubtful, however, that a veteran writer would sound like that — instead, the keys would be flying. It’s a minor but telling detail, since Farhadi is generally a stickler for authenticity. But in “Parallel Tales,” Isabelle Huppert, putting on overdone grouchy airs, seems to be playing less a real-world novelist than a stylized cornball-movie version of a Venerable French Author.…