Ability to see media from cloud in other apps

**Is your feature request related to a problem? Please describe.**
I can't see my photos when i upload them to nextcloud and delete them locally

**Describe the solution you'd like**
My phone (Nothing phone 1)(i don't know if other phones also have this) has setting that its called Cloud media settings in the description it says:

> Access your cloud media when an app or website asks you to select photos or videos

By default it selects google photos, so my solution is to make Nextcloud as an option too.

**Describe alternatives you've considered**
None at the moment

**Additional context**
Here's the setting i'm talking about: