fix: print the more concise module name if it exists

[chenjiahan]

Summary

Print the stats.moduleName (the readable relative path) if present, improving clarity and accuracy in file name reporting.

Before

After

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

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[Copilot]

Pull Request Overview

This PR improves file name reporting by prioritizing moduleName over moduleIdentifier when formatting error messages. The change makes the displayed file paths more readable by showing relative paths (e.g., ./src/App.jsx) instead of absolute paths with inline loaders.

• Prioritize stats.moduleName (readable relative path) when available
• Fallback to existing logic using stats.moduleIdentifier when moduleName is not present
• Remove stats.moduleName from the final fallback chain to avoid duplication

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