cf41f4a527
Even if activePage has been removed as part of commit 27627bd40, we've still a reference of it in key press handler. Given that there's no anymore an active page to redirect input to, remove these references, so that can be handled in the proper view to implement key-navigation. Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1688>