I can't get a list of reservation (only when I run this command as 'Service administrator' I can do it)

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

## Describe the bug

**Command Name**
`az reservations reservation-order list`

**Errors:**
```
Cannot deserialize as [ReservationOrderResponse] an object of type
Traceback (most recent call last):
python3.6/site-packages/knack/cli.py, ln 215, in invoke
cmd_result = self.invocation.execute(args)
cli/core/commands/__init__.py, ln 654, in execute
raise ex
cli/core/commands/__init__.py, ln 718, in _run_jobs_serially
results.append(self._run_job(expanded_arg, cmd_copy))
...
python3.6/site-packages/msrest/serialization.py, ln 1586, in deserialize_data
return self.deserialize_type[iter_type](data, data_type[1:-1])
python3.6/site-packages/msrest/serialization.py, ln 1615, in deserialize_iter
type(attr)
msrest.exceptions.DeserializationError: Cannot deserialize as [ReservationOrderResponse] an object of type
```

## 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 reservations reservation-order list`

## Expected Behavior

## Environment Summary
```
Linux-5.4.0-53-generic-x86_64-with-debian-bullseye-sid
Python 3.6.10
Installer: DEB

azure-cli 2.12.1 *

```
## Additional Context