message: Add actionType to Operation
diff: "description": "Indicates whether the operation is a data action",
  "type": "boolean"
  },
  + "actionType": {
  + "description": "Indicates the action type.",
  + "type": "string"
  + },
  "display": {
  "$ref": "#/definitions/OperationDisplay",
  "description": "Display of the operation"
  