Fix sonar issues in loadflow-validation module

[samirromdhani]

Describe the current behavior

In loadflow-validation module, in both main and test package, they are maintainability related issues: Sonar reports mostly "Method has N parameters, which is greater than 7 authorized." actually in many cases N is greater than 20.

Describe the expected behavior

Sonar issues should be resolved.

Describe the motivation

Imporove the condition readability and the evolutivity of the loadflow-validation module

Extra Information

• 120 issues: https://sonarcloud.io/component_measures?metric=code_smells&selected=com.powsybl%3Apowsybl-core%3Aloadflow%2Floadflow-validation%2Fsrc&id=com.powsybl%3Apowsybl-core
• Issue Fix sonar issues in loadflow-validation module #198 was planned to fix this, but it appears that it did not Or it fixes other kinds of sonar issues

[jeandemanged]

Hi @samirromdhani ,
I started this some time ago #3683
But lacked time to finish it.

[samirromdhani]

Hi @jeandemanged , thanks for the update! I see it’s labeled as a breaking change, does it include more than sonar fixes?
I’ll take a look while continuing to improve condition readability in #3830 (WIP).