The online now shows no title when no title name is provided, which is better
for the AutoFilter too.

This reverts commit 04abf03e.

Change-Id: If3e26e2b6d5b5b5a6d6a85c95ce1b8a7e6d358c8
Reviewed-on: https://gerrit.libreoffice.org/51953Reviewed-by: pranavk <pranavk@collabora.co.uk>
Tested-by: pranavk <pranavk@collabora.co.uk>