message: [DataFactory] Xero add connectionProperties property
diff: "XeroLinkedServiceTypeProperties": {
  "description": "Xero Service linked service properties.",
  "properties": {
  + "connectionProperties": {
  + "description": "Properties used to connect to Xero. It is mutually exclusive with any other properties in the linked service. Type: object.",
  + "type": "object"
  + },
  "host": {
  "description": "The endpoint of the Xero server. (i.e. api.xero.com)",
  "type": "object"
  "description": "The encrypted credential used for authentication. Credentials are encrypted using the integration runtime credential manager. Type: string (or Expression with resultType string).",
  "type": "object"
  }
  - },
  - "required": [
  - "host"
  - ]
  + }
  },
  "ZohoLinkedService": {
  "x-ms-discriminator-value": "Zoho",
  