Azure Cloud Shell error for AKS AAD integration

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

## Describe the bug
Following AAD and AKS integration as per
https://docs.microsoft.com/en-us/azure/aks/azure-ad-integration-cli#code-try-1

**Command Name**
`az ad app create`

**Errors:**
Following error displayed when running command - serverApplicationId=$(az ad app create \
--display-name "${aksname}Server" \
--identifier-uris "https://${aksname}Server" \
--query appId -o tsv)

# Create the Azure AD application
serverApplicationId=$(az ad app create \
--display-name "${aksname}Server" \
--identifier-uris "https://${aksname}Server" \
--query appId -o tsv)

# Update the application group membership claims
az ad app update --id $serverApplicationId --set groupMembershipClaims=All

## 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 ad app create --display-name {} --identifier-uris {} --query {} -o {}`

## Expected Behavior

## Environment Summary
```
Linux-4.15.0-1096-azure-x86_64-with-debian-stretch-sid (Cloud Shell)
Python 3.6.10
Installer: DEB

azure-cli 2.12.0 *

Extensions:
ai-examples 0.2.3

```
## Additional Context