message: Fix Use parens in type defintion
diff: @@ -874,7 +874,7 @@ module Emit =
  let overload = (GetOverloads (Function.Method m) false).[0]
  let paramsString = ParamsToString overload.ParamCombinations
  let returnType = DomTypeToTsType m.Type
  - Pt.Printl "type %s = (%s) => %s | { %s(%s): %s; };" i.Name paramsString returnType m.Name.Value paramsString returnType
  + Pt.Printl "type %s = ((%s) => %s) | { %s(%s): %s; };" i.Name paramsString returnType m.Name.Value paramsString returnType
  Pt.Printl ""
  let EmitCallBackFunctions flavor =
  