Highlight too high level components in the dropdown

[Adversarius13293]

Highlight components that can't be used with the given reactor level when opening the dropdown?
Currently only a warning message is displayed once they are placed.

I don't want to completly disable too high level components, since when the game moves up a component, already unlocked components will still be available for the player. So even if the component currently can't be used at a given level, some players may still be able to and want to design with them.