Fixes: NB#237123 - Sysuid uses most CPU for updating its UI during night when screen is blanked & no apps are open
Fixes: NB#237123 - Sysuid uses most CPU for updating its UI during night when screen is blanked & no apps are open

RevBy: Daniel d'Andrada
Details:
When compositor notified us that we are not on display and the app
calls MWindow::setVisible() we were overwriting the information from
the compositor.

nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch