[Chores] 移动 ModListPageSkin 到 ModListPage 内部

[ToobLac]

No description provided.

[Glavo]

有必要吗？

[ToobLac]

有必要吗？

把这个 Skin 暴露出来本来就不是很合适吧。这导致 ModListPage 和 Skin 里面都有很多东西设置成了 package-private，在权限管理方面不是很合适。

[Glavo]

@codex review

[chatgpt-codex-connector]

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-09-02T12:34:01.471057Z	3e17882	Manual request

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[chatgpt-codex-connector]

Codex Review: Didn't find any major issues. Can't wait for the next one!

Reviewed commit: 3e17882591

ℹ️ About Codex in GitHub

Your team has set up Codex to review pull requests in this repo. Reviews are triggered when you

• Open a pull request for review
• Mark a draft as ready
• Comment "@codex review".

If Codex has suggestions, it will comment; otherwise it will react with 👍.

Codex can also answer questions or update the PR. Try commenting "@codex address that feedback".