message: adding new state value to keep backward competiblity
  adding new state value to keep backward competiblity
diff: "state": {
  "description": "Specifies the state of the policy, whether it is enabled or disabled.",
  "enum": [
  + "New",
  "Enabled",
  "Disabled"
  ],
  "type": "string",
  "x-ms-enum": {
  - "name": "SecurityAlertState",
  + "name": "SecurityAlertPolicyState",
  "modelAsString": false
  }
  },
  