MenuBar: Unhover item when cursor leaves the menubar area
MenuBar: Unhover item when cursor leaves the menubar area

Change-Id: I7c2e0c340a65d7fc524eb42ba798c57fa88ad1db
Reviewed-by: J-P Nurmi <b84a892f57a298bb5dae653b4e188948a84d5549@digia.com>

mizukusak/qtquickcontrols,richardmg/qtcomponents,kobolabs/qtquickcontrols,jfaust/qtquickcontrols,drgvond/qtquickcontrols,drgvond/qtquickcontrols,jfaust/qtquickcontrols,kobolabs/qtquickcontrols,drgvond/qtquickcontrols,kobolabs/qtquickcontrols,richardmg/qtcomponents,mizukusak/qtquickcontrols,richardmg/qtcomponents,mizukusak/qtquickcontrols,jfaust/qtquickcontrols