Fixes: NB#182602 - Modal dialog closes when tapping on inactive (grey) area
Fixes: NB#182602 - Modal dialog closes when tapping on inactive (grey) area

RevBy: Marcin Miklas, Daniel d'Andrada
Details: MDialog with modality set to true is now invulnerable for
MDismissEvent, so it's not possible to close dialog by tapping on dimmed
background.

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