Michael Nordine authorAnyone who’s ever scoffed at a company referring to its employees as family will immediately hear alarm bells ringing when Zhanna (Lyudmila Vasilyeva), the matriarch who runs Produkty 24, tells her workers they aren’t just employees, they’re her children. It won’t take long for “Convenience Store” to justify that skepticism and then some: A highlight of the 2022 Berlin Film Festival’s Panorama program, Michael Borodin’s look at an Uzbek immigrant working in the Moscow outskirts is all the more disturbing for the fact that it’s based on a real case of human trafficking.The marriage of Mukkahabat (a gently devastating Zukhara Sanzysbay) to a fellow worker is our entree into this world, but it’s hardly a storybook wedding.