message: [DataFactory]Set servicePrincipalId,servicePrincipalKey and tenant to be optional from AzureDataExplorerLinkedServiceTypeProperties
diff: },
  "required": [
  "endpoint",
  - "servicePrincipalId",
  - "servicePrincipalKey",
  - "database",
  - "tenant"
  + "database"
  ]
  },
  "AzureFunctionLinkedService": {
  