During addition of new conditional format it is possible to select
different range, not one used initially. And new range should be
used for correct relative reference in formula evaluation.`

Change-Id: If73a0ddbb268c86e8c99f0703db1a5a97fb6ca66
Reviewed-on: https://gerrit.libreoffice.org/58800
Tested-by: Jenkins
Reviewed-by: Eike Rathke <erack@redhat.com>