Failed to install any extension after upgrading to 2.66 version

### Describe the bug

When upgrading az cli to latest stable version 2.66, it failed to install any extension with error like complaining C:\Users\{user}\.azure\cliextensions

### Related command

az extension add -n XXX

### Errors

It's complaining the folder can't be removed or there is some content in it which need to be manually removed, but that folder doesn't exist at all.

### Issue script & Debug output

NA

### Expected behavior

extension could be installed successfully.

### Environment Summary

2.66

### Additional context

_No response_