Pull request overview

This PR enhances the fault tolerance of the cluster orchestration process by adding error handling to prevent a single cluster failure from stopping the entire multi-cluster apply operation. When one cluster fails, the system now logs the error and continues processing remaining clusters, ensuring maximum coverage of change deployments.

Key Changes:

• Wrapped the cluster apply logic in a try-catch block to isolate failures
• Added CreateFailedClusterResult helper method to generate standardized error results
• Ensured all results (both successful and failed) are included in the return value

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