feat: add `constructorof` for `DiscreteProblem`#907

ChrisRackauckas merged 1 commit intoSciML:masterSciML/SciMLBase.jl:masterfrom

AayushSabharwal:as/discprob-ctorAayushSabharwal/SciMLBase.jl:as/discprob-ctorCopy head branch name to clipboard