CodeGen from PR 18607 in Azure/azure-rest-api-specs

[Hub Generated] Review request for Microsoft.DesktopVirtualization to add version preview/2022-04-01-preview (Azure#18607)

* Adds base for updating Microsoft.DesktopVirtualization from version preview/2022-02-10-preview to version 2022-04-01-preview

* Updates readme

* Updates API version in new specs and examples

* wip

* wip

* wip

* add tupe

* base

* pooled schedules

* add put for pooled schedules

* fix schedule name

* fix op names being singular warning

* fix op names being singular warning

* required props

* props not required for patch

* fix some CI errs

* updt

* updt

* updt

* make props optional for patch

* use v3 for API version param

sdk/desktopvirtualization/Azure.ResourceManager.DesktopVirtualization/src/autorest.md

@@ -8,7 +8,7 @@ azure-arm: true
 csharp: true
 library-name: DesktopVirtualization
 namespace: Azure.ResourceManager.DesktopVirtualization
-require: https://github.com/Azure/azure-rest-api-specs/blob/49af362e33d89967d7776fdd3a26d5462c9fbb59/specification/desktopvirtualization/resource-manager/readme.md
+require: https://github.com/Azure/azure-rest-api-specs/blob/3c5a948022b2bb99facdcf60ddb2abe2b16615ae/specification/desktopvirtualization/resource-manager/readme.md
 tag: package-2021-07
 output-folder: $(this-folder)/Generated
 clear-output-folder: true