Update/order-converter

[nicolapalavecino]

Commits description:

1. Rename legacy order converter
2. Include code in createApp that will be backward compatible with old apps. If instead, an order converter is defined, it will use that one instead. Legacy converter doesn't really have any implementation change, we just add an ID to identify it as the old version of the converter
3. Extracting code from legacy that I will reuse in the new one
4. Extracting code from legacy that I will reuse in the new one
5. Rearrange old legacy algorithm to be able to be extensible in the future (preparing for converter v2)
6. Copy & paste the same algorithm to version 2
7. Add option so you can decide which sort algorithm to use when using the converter
8. Add the piece missing in the new order converter so it has a more stable sorting
9. All common logic from both algorithms is extracted to common file
10. Export new converter 🎉