Feature request : Color the mod definition copied by the default virtual definition

[calniotrey]

As of now, the top most mod defintion is used for the default virtual definition. It could be useful to color it, especially if for some reason it isn't the first one anymore.

[bcssov]

Use the load order and FIOS\LIOS rules as well. FIOS\LIOS is available just at a very low level will need to expose this through the layers to decide which definition to take.