fix: fix namespacing of `AffectSystem`#3679

AayushSabharwal merged 1 commit intoSciML:masterSciML/ModelingToolkit.jl:masterfrom

AayushSabharwal:as/fix-callback-namespacingAayushSabharwal/ModelingToolkit.jl:as/fix-callback-namespacingCopy head branch name to clipboard