Changes: WG List Page advanced settings improvements
Changes: WG List Page advanced settings improvements

RevBy: Joaquim Rocha, Miguel Gomez
Details: Advanced settings dialog used to lose states when dismissing
the dialog. Because of this it was possible to enable live filtering twice
which crashed. This fix prevents the crash and lets the dialog to show the
current states of advanced settings.

https://meego.gitorious.org/meegotouch/libmeegotouch/merge_requests/1910

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