ML: cli.azure.cli.core.azclierror: Met error <class 'TypeError'>:'SASCredentialDto' object is not subscriptable

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

## Describe the bug

**Command Name**
`az ml model download
Extension Name: ml. Version: 2.16.0.`

**Errors:**
```
cli.azure.cli.core.azclierror: Met error :'SASCredentialDto' object is not subscriptable
az_command_data_logger: Met error :'SASCredentialDto' object is not subscriptable
```

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

- `az ml model download --name {} --version {} --registry-name {} -w {} --debug`

## Expected Behavior

## Environment Summary
```
Linux-5.15.90.1-microsoft-standard-WSL2-x86_64-with-glibc2.35, CBL-Mariner/Linux
Python 3.9.14
Installer: RPM

azure-cli 2.48.1

Extensions:
azure-devops 0.26.0
ml 2.16.0

Dependencies:
msal 1.20.0
azure-mgmt-resource 22.0.0
```
## Additional Context