[Python API] Fixed PointerType.origin to return a valid NTRType
[Python API] Fixed PointerType.origin to return a valid NTRType

Have to extract all the fields from it manually since python doesn't really have the concept of a bare NTR

Vector35/binaryninja-api,Vector35/binaryninja-api,Vector35/binaryninja-api,Vector35/binaryninja-api,Vector35/binaryninja-api,Vector35/binaryninja-api,Vector35/binaryninja-api