Reissuance of the EAA obtained in 0.7.1 compatible with the new specifications

[grausof]

It is necessary to design the transparent re-issuance of the EAA obtained on Documenti su IO aligned with the IT-Wallet 0.7.1 specification to make it compatible with the current version of the EAA without introducing breaking changes for users. The reissuance must be compatible both for those with a substantial eID and for users who will upgrade to L3 (with PID).