[Feature]: Debug Expanded DSC

[Javagedes]

What does the feature solve?

This feature provides some insight for developers by debug logging the fully expanded DSC (from the dsc_parser).

Describe the solution

Sometime during the running of stuart, once all environment variables have been set, perform a final parse of the DSC with edk2toollib's dsc_parser and print the lines to the terminal

Have you considered any alternatives?

No response

Additional context

No response