regression from
	commit a2b78c13
	make Format->Bullets and Numbering dialog async

Change-Id: Ia726612a492e644f5e40e78a3b537c5ed539aef8
Reviewed-on: https://gerrit.libreoffice.org/66423Reviewed-by: Katarina Behrens <Katarina.Behrens@cib.de>
Tested-by: Jenkins