PropagationType set to MEAN for NumericalPropagator
When creating an instance of NumericalPropagator the PropagationType is set to MEAN, causing confusion. This is an issue also in GLONASSNumericalPropagator
When creating an instance of NumericalPropagator the PropagationType is set to MEAN, causing confusion. This is an issue also in GLONASSNumericalPropagator