Support Firefox's native tab groups

[piperun]

Description

At the moment it seems at least from my experience that Sidebery doesn't support Firefox's own tab group feature, instead it uses it's own implemented tab group.

It would be nice if Sidebery could have support for Firefox's own version of tab groups due ability of groups having color (I know you can do this via containers which is fine-ish but due to how clunky containers are to setup, it's a PIA and extensions that ease this are of poor quality) and by the group names themselves.