THE STYLIST *** USA 2020 Dir: Jill Gevargizian. 105 mins A sleek-looking, character-driven thriller adapted from co-writer / director Jill Gevargizian’s short 2016 film of the same name, this unfolds like a distaff riff on the “God’s Lonely Man” post-TAXI DRIVER sequence of modern American horror films. Though superbly acted…