Preserve/Merge Custom Properties (note_attributes) in the Order

The user does not want the FullComm app to overwrite all custom properties (note_attributes) of the order in Shopify. Currently, the app reorganizes and fills these fields with its own data, overwriting information saved by other apps or scripts. The user needs the app to perform a "merge" or preserve the existing properties so that they can save their own information without losing it.