CodeGen from PR 16840 in Azure/azure-rest-api-specs Dev powerbidedicated microsoft.power b idedicated 2021 01 01 (#16840)
CodeGen from PR 16840 in Azure/azure-rest-api-specs
Dev powerbidedicated microsoft.power b idedicated 2021 01 01 (#16840)

* Apply PowerBIDedicated correctness fixes to 2021-01-01

* Move PowerBIDedicated properties to new definitions

* Keep ErrorResponse inline with documented expectation

* Update for ModelValidation failures

* cleanup operations example
Azure/azure-resource-manager-schemas,Azure/azure-resource-manager-schemas,Azure/azure-resource-manager-schemas,Azure/azure-resource-manager-schemas