[Feature] Mobile gallery should intersect with standard non-backupped gallery

I have searched the existing feature requests, both open and closed, to make sure this is not a duplicate request. • Yes The feature Currently, the mobile app: • Shows only the files in folders/albums selected for backup • A deletion on server of an uploaded file removes it from the app, but not from the storage (still there in practice, just hidden) I would propose the mobile app to act as a more standard gallery with optional backup system on the main gallery section: • Always show all files and albums (local + remote, whethery they are selected for backup or not), with a simple toggle to switch to only those selected for backup (could be per-view, and/or generic setting) • If a remote deletion happens, the file stored locally must stay but should also be still visible in the app with the ability to de-upload Why? This would make it simpler for users to switch over from other existing galleries and software, as they would have a single gall…