feat: improve accessibility

[aojunhao123]

close ant-design/ant-design#52127
顺便修了一下a11y demo test error

Summary by CodeRabbit

• 新功能
  • 增加了明确的按钮角色属性以提升无障碍体验，便于屏幕阅读器识别。
  • 调整了按钮的焦点行为，改善键盘导航和辅助技术的交互。

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
tabs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 6, 2025 3:58pm

[coderabbitai]

Walkthrough

该提交主要针对 Tab 导航组件的无障碍支持进行优化。具体来说，在 AddButton 与 TabNode 组件中新增了 role="tab" 属性，而在 OperationNode 组件中移除了按钮元素的 tabIndex 与 aria-hidden 属性。这些改动旨在避免无障碍焦点问题，提升组件与辅助技术的交互体验，同时未涉及业务逻辑的实质性修改。

Changes

File(s)	Change Summary
src/TabNavList/AddButton.tsx src/TabNavList/TabNode.tsx	为按钮元素新增 role="tab" 属性，增强无障碍描述
src/TabNavList/OperationNode.tsx	移除按钮元素上的 tabIndex 与 aria-hidden 属性，以修正焦点错误

Assessment against linked issues

Objective ([#52127])	Addressed	Explanation
修复点击折叠项按钮导致的焦点错误，避免 aria-hidden 影响已聚焦元素问题	✅

Possibly related PRs

• refactor: enhance tab navigation and accessibility features #763: 与本改动均涉及 Tab 导航组件的无障碍优化，侧重于键盘导航和角色描述的改进。

Suggested reviewers

• zombieJ

Poem

我是一只快乐的小兔，穿梭代码间，
角色标签闪烁如星光，轻盈跳跃无限欢，
删去多余属性烦恼，焦点清晰映天边，
在 Tab 的舞台上留诗行，🐰传递无障碍的新篇。

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[aojunhao123]

@afc163 大佬有空瞅瞅

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.96%. Comparing base (9cfae99) to head (d710101).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #775   +/-   ##
=======================================
  Coverage   98.96%   98.96%           
=======================================
  Files          18       18           
  Lines         774      774           
  Branches      224      220    -4     
=======================================
  Hits          766      766           
  Misses          8        8           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[coderabbitai]

Actionable comments posted: 1

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 9cfae99 and 19464a7.

⛔ Files ignored due to path filters (2)

• tests/__snapshots__/index.test.tsx.snap is excluded by !**/*.snap
• tests/__snapshots__/overflow.test.tsx.snap is excluded by !**/*.snap

📒 Files selected for processing (3)

• src/TabNavList/AddButton.tsx (1 hunks)
• src/TabNavList/OperationNode.tsx (0 hunks)
• src/TabNavList/TabNode.tsx (1 hunks)

💤 Files with no reviewable changes (1)

• src/TabNavList/OperationNode.tsx

✅ Files skipped from review due to trivial changes (1)

• src/TabNavList/TabNode.tsx