fdo#72520 : Exporting embedding data folder from grab bag.

Change-Id: I3eeff18f0f39f97c2d0fc95eba427b478c95e80d
Reviewed-on: https://gerrit.libreoffice.org/7213
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Miklos Vajna <vmiklos@collabora.co.uk>