Security analysis: run simulation on all components

[obrix]

Please check if the PR fulfills these requirements

• [ ] The commit message follows our guidelines
• [ ] Tests for the changes have been added (for bug fixes / features)
• [ ] Docs have been added / updated (for bug fixes / features)

Does this PR already have an issue describing the problem?

Yes : https://github.com/powsybl/powsybl-open-loadflow/issues/948

What kind of change does this PR introduce?

Security analysis simulation is now runned on all components of the network. Results are merged.

What is the current behavior?

Security analysis was only runned on largest component.

What is the new behavior (if this is a feature change)?

Does this PR introduce a breaking change or deprecate an API?

• [ ] Yes
• [X] No

If yes, please check if the following requirements are fulfilled

• [ ] The Breaking Change or Deprecated label has been added
• [ ] The migration steps are described in the following section

What changes might users need to make in their application due to this PR? (migration steps)

Other information:

[sonarcloud[bot]]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
93.7% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud