[Feature] Invert Selection in de-duplicator

[Skivling]

I have searched the existing feature requests to make sure this is not a duplicate request.

• Yes

The feature

There should be a button and keyboard shortcut to invert the selection of what is trash and keep: keep becomes trash, trash becomes keep. It would sit next to 'Select keep all' and 'Select trash all' buttons.

Platform

• Server
• Web
• Mobile