This adds the infrastructure to be able to pass the info which elements
like the statusbar / ruler / sidebar are supposed to be shown or hidden
on startup of the editor.
Change-Id: I188264dec6961074444934ff5fd7088e23b170d4
Reviewed-on: https://gerrit.libreoffice.org/c/online/+/103169
Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice@gmail.com>
Reviewed-by: Mert Tumer <mert.tumer@collabora.com>
