This change fixes displaying of elements of 'Styles' menu of Writer

Change-Id: I455a4f1c37aa7bc6641ebdd15eec23f18a8430d9
Reviewed-on: https://gerrit.libreoffice.org/66387
Tested-by: Jenkins
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>