Remedial action: partial support of GeneratorAction

[jlbouchot]

Signed-off-by: Jean-Luc Bouchot jlbouchot@gmail.com

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[jlbouchot]

Note that some work has already been carried over and kept in another branch for whenever we are ready to extend the GeneratorAction to more actions. See https://github.com/powsybl/powsybl-open-loadflow/tree/feature/GeneratorUpdateExtended

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
2 Code Smells

90.1% Coverage
0.0% Duplication