Go to Settings, scroll down to find the app, and select it. Then you get the "Allow <app> to access" and a list of entitlements, one of which is "Photos". Selec

Go to Settings, scroll down to find the app, and select it. Then you get the "Allow <app> to access" and a list of entitlements, one of which is "Photos". Select "Photos" and you get three options "Selected Photos" (which is what you likely have), "All Photos", and "None". Push "None" and you should never see that dialog again.