The check whether the window overlaps with the monitor the actor is on requires the actor to be added to the stage first, so delay the initial visibility update that was added in commitb9d2a445b2. Fixes:b9d2a445("workspace-indicator: Initialize preview visibility") Closes: https://gitlab.gnome.org/GNOME/gnome-shell-extensions/-/issues/469 Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell-extensions/-/merge_requests/286>