OrderedDictionary cleanup
OrderedDictionary cleanup

- Span<T>.ToArray() instead of Array.Clone()
- cleanup

iolevel/peachpie,iolevel/peachpie-concept,peachpiecompiler/peachpie,iolevel/peachpie,iolevel/peachpie-concept,iolevel/peachpie-concept,peachpiecompiler/peachpie,peachpiecompiler/peachpie,iolevel/peachpie