IOS: attach video from camera roll

Hi. I'm using iOS 16.1 and the photo attachment only allows you to select from photos, although there is a video. From the "files" app, the camera roll is not available. One way to do this is to copy the video to the "files" app directly, but this behavior makes it much harder to select the right files compared to viewing from the camera roll.

I also want to thank you for such a wonderful program.