omf endpoint: override type uom in container messages
OMF 1.2 specification includes an enhancement to allow the use of propertyoverrides keyword in container messages.
Request is to add this functionality to Web API OMF endpoint specifically for the uom property
1. device configured with uom, OMF application creates a type specifying that uom.
2 new version of the device changes the uom. OMF application needs to create containers with the new uom, retaining other properties of the type.