shortJson method
Implementation
Json shortJson() {
  String version = quantityIsChanged
      ? '${int.parse(unitVersion) + 1}'
      : unitVersion;
  return {'unit_id': barcodeData.code, 'unit_version': version};
}Json shortJson() {
  String version = quantityIsChanged
      ? '${int.parse(unitVersion) + 1}'
      : unitVersion;
  return {'unit_id': barcodeData.code, 'unit_version': version};
}