perf(mf): only patch split chunks for provider app

[chenjiahan]

Summary

The PatchSplitChunksPlugin will slow down the build process because it uses function chunks option, and the function will slow down Rspack when there are thousands of modules.

We can only apply PatchSplitChunksPlugin for the provider app (which uses exposes option) because PatchSplitChunksPlugin is designed to handle remote entries.

Related Links

#3067

Checklist

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

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