Cors 2075 new saga le sa

[mina-ats]

LegalEntityV2, ServiceAgreementV2, LegalEntitySagaV2, and ServiceAgreementSaga are the new models and sagas for the new bootstrap project. We didn't touch the old ones used by other teams.

Checklist

• [x] I made sure, I read CONTRIBUTING.md to put right branch prefix as per my need.
• [x] I made sure to update CHANGELOG.md.
• [x] I made sure to update Stream Wiki(only valid in case of new stream module or architecture changes).
• [x] My changes are adequately tested.
• [ ] I made sure all the SonarCloud Quality Gate are passed.

[HighTML]

I would suggest for this to become part of the upcoming Stream 4.0 under development on the develop branch

@uesleilima this is an addition, not a breaking change. The new Bootstrap Engine is based on Stream 3, moving to Stream 4 would be a way too big change.

[sonarcloud[bot]]

Quality Gate failed

Failed conditions

60.7% Coverage on New Code (required ≥ 80%)
12.4% Duplication on New Code (required ≤ 3%)

See analysis details on SonarCloud