Microsoft.Azure.Management.RecoveryServices.SiteRecovery_2.1.6-preview

Adding non-identity to .NET SDK (#24301)

* Adding non-identity to .NET SDK

* Add recordings

* Update recordings

* Update PR

* Update PR

* Update tests

* Update

* Update .NET PR

* Update recordings

* Add recordings for tests

* Update recordings, updating names of tests so they don't repeat

* Update PR

* Remove unused snippet

* Update CHANGELOG, readme and samples

* Update changelog