refactored absurd clown-code in getIndividualInstructorsForOffering() due to schema changes, with the benefit of performance/maintenance improvements.
refactored absurd clown-code in getIndividualInstructorsForOffering() due to schema changes, with the benefit of performance/maintenance improvements.

justinchu17/ilios,justinchu17/ilios,stopfstedt/ilios,dartajax/ilios,ilios/ilios,dartajax/ilios,justinchu17/ilios,stopfstedt/ilios,ilios/ilios,thecoolestguy/ilios,justinchu17/ilios,Trott/ilios,thecoolestguy/ilios,Trott/ilios