fdo#60833 user's wordbook should be selected by default

Change-Id: Ic710f719df3ba71a8b71e6ef8afd54d60e73c5d9
Reviewed-on: https://gerrit.libreoffice.org/8493
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Miklos Vajna <vmiklos@collabora.co.uk>