fix: set option list virtual prefix

[QDyanbing]

这个改动解决什么？

为 Select 的 OptionList 中的 VirtualList 设置 prefixCls={${prefixCls}-dropdown-list}，使下拉虚拟列表及滚动条生成 Select 自身前缀类名，例如 rc-select-dropdown-list-scrollbar，便于上层组件按 Select 语义样式精确覆盖。

具体改动

• 为 OptionList 的 VirtualList 传入 dropdown list prefixCls
• 更新相关测试断言与快照

验证

• npm test -- tests/OptionList.test.tsx tests/Select.test.tsx tests/Accessibility.test.tsx tests/Tags.test.tsx --runInBand

Summary by CodeRabbit

• 样式与可访问性

  • 优化虚拟下拉列表的样式标识，提升列表与滚动条状态的区分度。
  • 保持虚拟列表的 ARIA 属性行为不变，确保辅助功能支持一致。

• 测试

  • 更新下拉列表、滚动条、RTL 模式及多选场景的相关验证，确保新样式标识和交互行为正常。

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: fa2e5ee5-1223-495a-968c-e74107bc6ae6

📥 Commits

Reviewing files that changed from the base of the PR and between a264f26 and 7822990.

⛔ Files ignored due to path filters (3)

• tests/__snapshots__/OptionList.test.tsx.snap is excluded by !**/*.snap
• tests/__snapshots__/Select.test.tsx.snap is excluded by !**/*.snap
• tests/__snapshots__/Tags.test.tsx.snap is excluded by !**/*.snap

📒 Files selected for processing (4)

• src/OptionList.tsx
• tests/Accessibility.test.tsx
• tests/OptionList.test.tsx
• tests/Select.test.tsx

---

Walkthrough

OptionList 为虚拟下拉列表新增 ${prefixCls}-dropdown-list 前缀，并将可访问性、滚动条、RTL、字段映射及样式测试中的 DOM 选择器更新为对应类名。

Changes

下拉列表类名前缀

Layer / File(s)	Summary
应用下拉列表前缀并更新测试 src/OptionList.tsx, tests/Accessibility.test.tsx, tests/OptionList.test.tsx, tests/Select.test.tsx	OptionList 将派生的 prefixCls 传递给虚拟列表，相关测试改用 rc-select-dropdown-list 及其变体选择器。

Estimated code review effort: 2 (Simple) | ~10 minutes

Possibly related PRs

• react-component/select#1128：同样调整 OptionList 中虚拟下拉列表的渲染与样式类名。
• react-component/select#1145：涉及弹出列表的类名、样式语义及相关 DOM 结构。
• react-component/select#1177：涉及虚拟下拉列表模块及其 DOM 类名结构。

Suggested reviewers: zombieJ

Poem

我是兔子蹦蹦跳，
新的前缀排得好。
下拉列表换新装，
测试选择不迷茫。
耳朵一竖：通过啦！

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	标题与主要变更一致，准确概括了为 OptionList 虚拟列表设置前缀的修改。
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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[gemini-code-assist]

Code Review

This pull request updates the OptionList component to pass a custom prefixCls (${prefixCls}-dropdown-list) to the underlying List component. This changes the generated class names of the dropdown list from rc-virtual-list to rc-select-dropdown-list. Corresponding test assertions and snapshots have been updated to reflect this class name change. There are no review comments, so I have no feedback to provide.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.44%. Comparing base (a264f26) to head (7822990).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1241   +/-   ##
=======================================
  Coverage   99.44%   99.44%           
=======================================
  Files          31       31           
  Lines        1271     1271           
  Branches      466      466           
=======================================
  Hits         1264     1264           
  Misses          7        7           

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