FE: Fix active controller badge on invalid node

[moremagic]

• Breaking change? (if so, please describe the impact and migration path for existing application instances)

What changes did you make? (Give an overview)
Fixes #3614

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How Has This Been Tested? (put an "x" (case-sensitive!) next to an item)

• No need to
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• Covered by existing automation

Checklist (put an "x" (case-sensitive!) next to all the items, otherwise the build will fail)

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation (e.g. ENVIRONMENT VARIABLES)
• My changes generate no new warnings (e.g. Sonar is happy)
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged

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[github-actions]

Hello there moremagic! 👋

Thank you and congrats 🎉 for opening your first PR on this project! ✨ 💖

We will try to review it soon!

[Haarolean]

@moremagic hey, can we add a test for this?

[moremagic]

@Haarolean I'll try for create test code.

[moremagic]

Changed BrokerID in test data to avoid confusion with test case row index.
Changed relevant test cases.

[moremagic]

@Haarolean

Added test. please check

[Haarolean]

@moremagic thank you very much!

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

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