MenuContentItem: Remove scroller indicator style warning
MenuContentItem: Remove scroller indicator style warning

Change-Id: I3d50ba06c790d44a2db4195e3ad1f8d5aebc2a12
Reviewed-by: J-P Nurmi <b84a892f57a298bb5dae653b4e188948a84d5549@digia.com>

drgvond/qtquickcontrols,mizukusak/qtquickcontrols,mizukusak/qtquickcontrols,drgvond/qtquickcontrols,mizukusak/qtquickcontrols,drgvond/qtquickcontrols