fix(dev): optimizeDeps entries file paths on Windows

[sebastien-comeau]

Pull Request Description:

Normalize Path for Vite Dependency Optimization on Windows

This PR addresses an issue with Vite's dependency optimization on Windows systems where incorrect path formats can lead to constant dependency reloading and performance degradation.

Problem:
On Windows, paths often use backslashes (\) as separators, while Vite expects forward slashes (/). This mismatch can cause Vite to incorrectly identify and optimize dependencies.

Example:

• Incorrect Path: C:\data\projects\remix\app\entry.client.tsx
• Correct Path: C:/data/projects/remix/app/entry.client.tsx

Solution:
This PR normalizes the paths using importViteEsmSync().normalizePath() to ensure they are compatible with Vite's dependency optimization.

Specific Changes:

• Normalized Entry Point:

  - ctx.entryClientFilePath
  + importViteEsmSync().normalizePath(ctx.entryClientFilePath)

• Optimized Route File Paths:

  - path.join(ctx.remixConfig.appDirectory, route.file)
  + resolveRelativeRouteFilePath(route, ctx.remixConfig)

Expected Benefits:

• Improved Build Performance: Faster build times and smoother development experience.
• Enhanced Stability: Prevents unexpected dependency reloads and other related issues.

Testing:

Please thoroughly test this change on Windows systems to verify that the issue is resolved and there are no unintended side effects.

Additional Considerations:

• Other Potential Path Issues: Consider other areas where path normalization might be necessary.
• Vite and Remix Versions: This fix has been tested with Vite v5.4.11 and Remix v2.14.0.

Please review and merge this PR if the changes are satisfactory.

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