to match the underlying field and avoid confusion.
The "IsOn" prefix normally means "is the current thread running on",
which is not what this method means
Change-Id: I3399a707582c9b0c681cd4aa03bc9f94860fc7fa
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/177960
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>