Update Fault Node Status to RUNNING on Experiment Start

[andoriyaprashant]

Fixes #4724

Proposed changes

Previously, fault node statuses in ChaosEngine events often remained stuck at INITIALIZED during experiment execution, resulting in inaccurate state reporting. The update introduces refined status transition mechanisms to ensure precise tracking and reporting of ChaosEngine states, specifically addressing transitions from INITIALIZED to RUNNING.

Types of changes

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• New feature (non-breaking change which adds functionality)
• Bugfix (non-breaking change which fixes an issue)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices applies)

Checklist

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• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works (if appropriate)
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[namkyu1999]

Hi @andoriyaprashant, can you check broken pipelines?