Detail the historic on amount modifications (WFI level)

[Malick-Niang]

• [ ] The feature was discussed in discussions of this repository.
• [ ] I have searched the issues of this repository and believe that this is not a duplicate.

Description 💡

Subproject -> workflow item -> History : show the exact modifications on amounts (as of now, very generic trace: "information modified", but user does not know how it has been modified) Discussion-reference: <Insert discussion reference here>