CodeGen from PR 16469 in Azure/azure-rest-api-specs Adding missing identity properties and ExtensionTopics operation (#16469)
CodeGen from PR 16469 in Azure/azure-rest-api-specs
Adding missing identity properties and ExtensionTopics operation (#16469)

* Adding missing identity properties and ExtensionTopics operation

* fixing prettier check issues

* Add identity to topic

* Add system data to Extension topic response

* fix lintdiff issue
Azure/azure-resource-manager-schemas,Azure/azure-resource-manager-schemas,Azure/azure-resource-manager-schemas,Azure/azure-resource-manager-schemas