`az ml job download` fails with python error

## Describe the bug

**Command Name**
`az ml job download` (FYI: `az feedback` initially has set this field as `Unknown` for some reason)

**Errors:**
```
1. 'ml' is misspelled or not recognized by the system. (the error provided by `az feedback`)

2. `Type is not supported for operation bool().` (the actual error in the terminal)

```

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

- `az extension add -n ml -y`
- `az ml job download --name {} --resource-group {} --workspace-name {} --download-path {}`

## Expected Behavior
The job should be downloaded successfully.

## Environment Summary
```
Linux-5.15.0-1023-azure-x86_64-with-glibc2.31, Ubuntu 20.04.5 LTS
Python 3.10.8
Installer: DEB

azure-cli 2.42.0

Extensions:
ml 2.11.0

Dependencies:
msal 1.20.0
azure-mgmt-resource 21.1.0b1
```
## Additional Context