Displaying and processing mediaItems requires we have an actual image file to work with (referenced by storageFilename). If we are unable to obtain an image for a particular mediaItem, we'll delete the mediaItem from the collection (rather than adding logic to handle this case everywhere else).
Addresses https://github.com/mtalcott/google-photos-deduper/issues/23 and https://github.com/mtalcott/google-photos-deduper/discussions/31#discussioncomment-8034886.
Displaying and processing mediaItems requires we have an actual image file to work with (referenced by storageFilename). If we are unable to obtain an image for a particular mediaItem, we'll delete the mediaItem from the collection (rather than adding logic to handle this case everywhere else).