Error deploying App Service Extension for Arc Kubernetes

### **This is autogenerated. Please review and update as needed.**

## Describe the bug

**Command Name**
`az customlocation create
Extension Name: customlocation. Version: 0.1.2.`

**Errors:**
```
FailedToLoadClusterExtensionConfig: Combined Getting Extension Config Errors: ,
Error for extension ID /subscriptions/d40ad3b0-3405-4c2e-b618-87ea80548513/resourceGroups/DefaultResourceGroup-WEU/providers/Microsoft.Kubernetes/connectedClusters/WestEuropeCluster/providers/Microsoft.KubernetesConfiguration/extensions/AppServiceExt : Invalid InstallState of Cluster Extension. InstallState is : Failed

```

## To Reproduce:
Steps to reproduce the behavior. Note that argument values have been redacted, as they may contain sensitive information.

- _Put any pre-requisite steps here..._
- `az customlocation create -g {} -n {} --host-resource-id {} --namespace {} -c {} -l {} --query {} -o {}`

## Expected Behavior

## Environment Summary
```
Windows-10-10.0.19041-SP0
Python 3.8.9
Installer: MSI

azure-cli 2.26.1

Extensions:
appservice-kube 0.1.20
connectedk8s 1.1.5
customlocation 0.1.2
k8s-extension 0.5.1

```
## Additional Context