[AppService] Fix #22332: az appservice plan create: Fix windows container app service plan creation for ASEv3

[PramodValavala-MSFT]

Related command

az appservice plan create --name {} --resource-group {} --app-service-environment {} --hyper-v --sku {}

Description

Windows Container are supported from ASEV3 but is not possible to create an app service plan for windows containers using Azure CLI today

Resolves #22332

Testing Guide

Creating an ASP for Windows Containers should work on ASEv3 but fail for ASEv2 and ASEv1, with the following command

az appservice plan create --name {} --resource-group {} --app-service-environment {} --hyper-v --sku {}

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[panchagnula]

@PramodValavala-MSFT please don't take this change - if this a known issue please reach out to PG to make the right change with the testing. this is a very popular & highly used command & needs to be understood by PG team who maintain these commands. Thanks!