Limit selection node functions to minimal inputs

[tsalo]

Summary

I'd like to look into only passing minimal inputs (component table- or even just the requested metrics as lists/arrays; cross-component metrics; hyperparameters) to the selection node functions, rather than the whole ComponentSelector. I think we could probably create a class (e.g., SelectionNode) to handle any logging that goes on in the individual selection node functions at the moment.

[handwerkerd]

I'll think about this more once we get the other active refactors into the code. This would be a non-trivial amount of work. I don't think this would make a meaningful computational speed or memory difference, but it has the potential to make the code slightly easier to understand.