This patch handles the case in which no meta information could be extracted from
the file, so CMIS properties are displayed instead, if it is a CMIS document.
Size and creation/modification dates are handled here.

Change-Id: I97f920172b15a76297d78a33ac3a07a8333ef8a6
Reviewed-on: https://gerrit.libreoffice.org/10511Reviewed-by: Bosdonnat Cedric <cedric.bosdonnat@free.fr>
Tested-by: Bosdonnat Cedric <cedric.bosdonnat@free.fr>