During the loading of numeric constants in StepLOADNC, create variables
of type Variant and convert them to the requested type, i.e.
Variant/Type in order to prevent type conversion errors, when they are
passed to a method with variant parameter types.
Change-Id: I2ab0111b5b53dd2de9523ba7cf12bd2519d050b0
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/96402
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
