Changes: Refactor fix for NB#158745 a bit.
Changes: Refactor fix for NB#158745 a bit.

RevBy: TrustMe
Details: Use addItem() instead of insertItem() when
DuiApplicationPagePrivate::mainLayout is empty (it shouldn't happen, though).

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