Get-BicepNetCachePath does not evaluate cacheRootDirectory in bicepconfig.json

[StefanIvemo]

Describe the bug
If I set a custom path for the module cache in bicepconfig.json using "cacheRootDirectory": "/Users/user1/bicepCache",Get-BicepNetCachePath` still resolves to the default path.

To Reproduce
Steps to reproduce the behavior:

1. Set a custom path for the module cache by adding cacheRootDirectory to bicepconfig.json.
2. Run Get-BicepNetCachePath

Expected behavior
Get-BicepNetCachePath should look after custom cache location and return it.

Additional context
Add any other context about the problem here.

[SimonWahlin]

Interesting. For this to work I think we till need to add a -Path parameter where you supply a path to a bicep file, otherwise we won't know where to look for bicepconfig.json.

Would that be a good solution @StefanIvemo ?