Filmmaker Rian Johnson, best known for writing and directing "Knives Out," "Glass Onion," and "Star Wars: The Last Jedi," has seen his new iPhone photography app Chromagraph Camera climb to the top of the paid App Store charts after attracting attention on social media this week. Johnson developed the app with his longtime cinematographer Steve Yedlin and programmer Eric Cameron, bringing image processing techniques from their films to iPhone still photography. Chromagraph currently ranks No. 1 in Photo & Video on the U. S. App Store . Johnson’s announcement on X accumulated six million views within a day, while users have been sharing their results, with some photo posts attracting thousands of likes…