Add option to toggle between : all , Unwatched, Watched with view "Movies / Sets"

In “Movies” views from “view options” is possible to toggle between : all videos, Unwatched, Watched

This works perfectly in “Movies” views with setting “show movie sets” enable
This mean that if you choose in “view options” : “Unwatched” all Collections completely viewed are hidden from the view.

But in “Movies / sets” view we don’t have in “view options” the possibility” to toggle between : all, Unwatched, Watched

So it will be good to have this.
Perhaps is more complicated than I think ? ….