In multiple view environment, when a new view is created ensure to
notify other views graphic view selections.

Change-Id: If75f9525af6e851e096b6d273957b94882c441cf
Reviewed-on: https://gerrit.libreoffice.org/29094Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Miklos Vajna <vmiklos@collabora.co.uk>