feat: throw error when differentiating registered function with no derivative in `structural_simplify`#3419

ChrisRackauckas merged 3 commits intoSciML:masterSciML/ModelingToolkit.jl:masterfrom

AayushSabharwal:as/throw-no-derivativeAayushSabharwal/ModelingToolkit.jl:as/throw-no-derivativeCopy head branch name to clipboard