This is consistent with Windows behaviour and as the generic wxDataViewCtrl is
mostly used under Windows, it makes sense to follow Windows convention in it.
Closes#15082.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73602 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775