This was broken by r72581, add event.Skip() call to the handler for this event
added there.
Also add a handler for this event to the corresponding page of the widgets
sample to be able to test this.
Closes#14799.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72915 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775