error in - az vmss list-instance-connection-info

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

## Describe the bug

**Command Name**
`az vmss list-instance-connection-info`

**Errors:**
```
'NoneType' object has no attribute 'id'
Traceback (most recent call last):
cli\Lib\site-packages\knack\cli.py, ln 231, in invoke
azure\cli\core\commands\__init__.py, ln 657, in execute
azure\cli\core\commands\__init__.py, ln 720, in _run_jobs_serially
azure\cli\core\commands\__init__.py, ln 691, in _run_job
azure\cli\core\commands\__init__.py, ln 328, in __call__
site-packages\azure\cli\core\__init__.py, ln 807, in default_command_handler
azure\cli\command_modules\vm\custom.py, ln 2869, in list_vmss_instance_connection_info
AttributeError: 'NoneType' object has no attribute 'id'
```

## 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 vmss list-instance-connection-info -g {} --name {}`

## Expected Behavior

## Environment Summary
```
Windows-10-10.0.19041-SP0
Python 3.6.8
Installer: MSI

azure-cli 2.22.1

```
## Additional Context