Let the user reset specific permissions to default (i.e. delete the keys)

[Pasu4]

Suggested by Copilot here.
Not sure what good UI for that would be (and I'm not doing this in the final testing phase).

[KTrain5169]

resurfacing this now since I saw it, what we could do is add a little back button next to the icon, like so:

(idea inspired by osu!lazer's settings menu since that was the first thing that came to mind when reading this again)