Refactor if-chains into setattr loops

[chuck-sys]

Please give a one-sentence summary of the cleanup you would like done.
Refactor if-chains in app/controller/command/commands/*.py into for loops with setattr.

Please give as many details as possible about the cleanup or refactoring.
They are getting too out of hand. Shorten using loops.

Please list any additional context; in particular, list what areas of the code base this would affect.