[Onchain tracking] Implementation

[yagopv]

Context / issue

We created two PoCs to help determine the best option for including the track fields

Onchain trackid via paymentReceiver & refundReceiver
Onchain Identifier via transaction data and calldata

Proposed solution

The final decision is to include the trackId in the data field. This issue aims to resolve that and create the final implementation.

Links

OnChain tracking PoC issue