Problem with creation VNET link to the private dns zone

I am trying to create link to VNET for private dns zone

```
GET https://management.azure.com/subscriptions/678***/resourceGroups/rg-***/providers/Microsoft.Network/privateDnsZones/***.corp/virtualNetworkLinks/vnet-dns-lnk-vnet-***?api-version=2018-09-01
```

With azapi provider https://github.com/Azure/terraform-provider-azapi/issues/649

All resources exists and I have access to them. It is possible to create corresponded link via portal. Without any issues. Or without azurerm provider.

But with azapi I have got strange error message:

```
{"error":{"code":"ResourceNotFound","message":"The Resource 'Microsoft.Network/privateDnsZones/***.corp/virtualNetworkLinks/vnet-dns-lnk-vnet-***' under resource group 'rg-***' was not found. For more details please go to https://aka.ms/ARMResourceNotFoundFix"}}
```

And also

```
--------------------------------------------------------------------------------
RESPONSE 400: 400 Bad Request
ERROR CODE: BadRequest
--------------------------------------------------------------------------------
{
"code": "BadRequest",
"message": "The specified virtual network link registration setting is invalid."
}
--------------------------------------------------------------------------------
```

Start by reproducing the GET request shown in the issue and compare the portal and azurerm-provider behavior with the azapi-provider case at issue 649. Trace the corresponding Azure private DNS virtualNetworkLinks specification entry and determine whether the reported ResourceNotFound or invalid registration-setting response reflects a specification problem; done means the required correction is clearly identified and the request behavior is verified.

Written by the indexing model from the issue text.