Allow TableView headers to be resized in a Flickable
Allow TableView headers to be resized in a Flickable

Setting preventStealing to true will allow headers to be
resized when in a horizontal flickable.

Task-number: QTBUG-37941
Change-Id: I7be45409d96c7940f5f70b311cdedd3a8b7844ed
Reviewed-by: Gabriel de Dietrich <57b5c683f0b6abfc17ef151d5b68c8944258b63a@digia.com>

mizukusak/qtquickcontrols,mizukusak/qtquickcontrols,mizukusak/qtquickcontrols