Cannot save layer to UNC path on CIFS server

**Describe the bug**
Cannot save layer to UNC path on CIFS server.

**Steps to reproduce**
Steps to reproduce the behavior:
1. Go to 'USD Stage Editor' and 'create stage new layer'
2. duble Click on 'anonymousLayer1'
3. Save to UNC path on CIFS server
4. See error:

```
UsdLayerEditor_SaveLayerFileDialog(1,"",0);
// Result: //hal/Projects/temp/test.usd
// Error: Insufficient permissions to write to destination directory '\\hal\Projects\temp'
// Error: Unable to open //hal/Projects/temp/test.usd for write
```

Share permissions are OK, we work on this server on daily basis.

**Specs (if applicable):**
- Windows 10
- Maya 2024.2
- Maya USD 0.25.0