SwPostItMgr::registerLibreOfficeKitCallback() already took care of
informing existing outliners, this commit gives a callback to newly
registered ones as well.

(cherry picked from commit dacc616f)

Conflicts:
	sw/inc/drawdoc.hxx
	sw/source/core/draw/drawdoc.cxx

Change-Id: I660dcb54231a9d404bf80b4284003d119dae6a5c