chore: defensive program

[zombieJ]

follow up #1294

Summary by CodeRabbit

• Bug Fixes
  • 修复了滚轮事件监听器在组件生命周期内可能无法正确移除的问题，提升了滚动容器的稳定性。

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[coderabbitai]

Walkthrough

本次变更优化了 wheel 事件监听器在滚动容器元素上的添加和移除方式。通过在 effect 执行时捕获当前的元素引用，确保事件监听器始终被正确地添加和移除，避免因引用变化导致的问题。

Changes

文件/路径	变更摘要
src/FixedHolder/index.tsx	优化 wheel 事件监听器的添加与移除，使用局部常量保存元素引用。

Poem

小兔写代码，细节不放松，
滚轮监听器，绑定更从容。
引用抓得紧，清理也轻松，
组件更健壮，代码添彩虹。
🐇✨

Warning

There were issues while running some tools. Please review the errors and either fix the tool's configuration or disable the tool if it's a critical failure.

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src/FixedHolder/index.tsx

Oops! Something went wrong! :(

ESLint: 8.57.1

ESLint couldn't find the config "prettier" to extend from. Please check that the name of the config is correct.

The config "prettier" was referenced from the config file in "/.eslintrc.js".

If you still have problems, please stop by https://eslint.org/chat/help to chat with the team.

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📜 Recent review details

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Review profile: CHILL
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📥 Commits

Reviewing files that changed from the base of the PR and between dbf360d and 642fcc8.

📒 Files selected for processing (1)

• src/FixedHolder/index.tsx (1 hunks)

⏰ Context from checks skipped due to timeout of 90000ms (1)

• GitHub Check: test / react component workflow

🔇 Additional comments (1)

src/FixedHolder/index.tsx (1)

109-115: 肯定：使用局部 scrollEle 捕获引用，避免解绑失败

将 scrollRef.current 先缓存到 scrollEle，再在清理阶段使用同一引用移除监听，可防止 scrollRef.current 在期间被重置导致 removeEventListener 无效的问题。实现正确，👍。

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.08%. Comparing base (dbf360d) to head (642fcc8).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1295   +/-   ##
=======================================
  Coverage   98.08%   98.08%           
=======================================
  Files          78       78           
  Lines        7745     7746    +1     
  Branches     1186     1186           
=======================================
+ Hits         7597     7598    +1     
  Misses        142      142           
  Partials        6        6           

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