Add to/fromAron() for one-sided optional and test utilities for C++/Python conversion

• ARON conversions (C++): Add overloads for one-sided optional
• Add test utilities for testing C++ to Python conversion of ARON classes

Related to:

• python3-armarx!33 (merged)
• https://git.h2t.iar.kit.edu/sw/armarx/speechx/-/merge_requests/17

source/RobotAPI/libraries/aron/core/rw.h

@@ -26,7 +26,7 @@ namespace armarx::aron
     }
 
     template<class ReaderT, class DtoT, class BoT>
-    requires (data::isReader<ReaderT> && !DtoAndBoAreSame<DtoT, BoT>)
+    requires (data::isReader<ReaderT> && !detail::DtoAndBoAreSame<DtoT, BoT>)
     inline void read(ReaderT& aron_r, typename ReaderT::InputType& input, BoT& ret)
     {
         DtoT aron;
@@ -36,7 +36,7 @@ namespace armarx::aron
     }
 
     template<class WriterT, class DtoT, class BoT>
-    requires (data::isWriter<WriterT> && !DtoAndBoAreSame<DtoT, BoT>)
+    requires (data::isWriter<WriterT> && !detail::DtoAndBoAreSame<DtoT, BoT>)
     inline void write(WriterT& aron_w, const BoT& input, typename WriterT::ReturnType& ret, const armarx::aron::Path& aron_p = armarx::aron::Path())
     {
         DtoT aron;