Cgmes active reactive regulating control

[nemanja-st]

Please check if the PR fulfills these requirements

• [x] The commit message follows our guidelines
• [x] 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? Fixes #2920 '

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

• [ ] Yes
• [x] No

Other information: ACTIVE_POWER and CURRENT_LIMITER are already implemented for PSTs.