fix(EnhancedTable): tree nodes being re-collapsed so children only render after scrolling

[RylanBot]

🤔 这个 PR 的性质是？

• 日常 bug 修复
• 新特性提交
• 文档改进
• 演示代码改进
• 组件样式/交互改进
• CI/CD 改进
• 重构
• 代码风格优化
• 测试用例
• 分支合并
• 其他

🔗 相关 Issue

• fix(Table): disabled state incorrectly modified by checkAll #4104
• https://stackblitz.com/edit/qn8ixdg6?file=src%2Fdemo.tsx

💡 需求背景和解决方案

受控模式下，一次点击会触发两个 effect：

1. useTreeDataExpand 的 user-reaction-change 分支直接调用 store.toggleExpandData({ row, rowIndex }, dataSource)，以 visibleData 切片中的局部下标（如 3）作为 rowIndex，将子节点 splice 到错误位置（如 dataSource[4]，而非真实的 dataSource[51]）。

2. useTreeData 的 useEffect([data, expandedTreeNodes]) 随后执行 resetData，重建 store 并按 expandedTreeNodes 正确展开节点。

由于步骤 1 将子节点插入了视口之外的错误位置，虚拟滚动计算可视区切片时无法包含这些行，直到用户触发滚动重新计算才显现。

(无虚拟滚动时不触发：此时 visibleData === dataSource，局部下标与真实下标一致，splice 位置正确，表现正常)

📝 更新日志

• 本条 PR 不需要纳入 Changelog

tdesign-react

• fix(EnhancedTable): 修复开启虚拟滚动且 expandedTreeNodes 受控时，展开的子节点无法正确渲染的问题

@tdesign-react/chat

☑️ 请求合并前的自查清单

⚠️ 请自检并全部勾选全部选项。⚠️

• 文档已补充或无须补充
• 代码演示已提供或无须提供
• TypeScript 定义已补充或无须补充
• Changelog 已提供或无须提供

[github-actions]

Size Change: 0 B

Total Size: 115 kB

ℹ️ View Unchanged

Filename	Size
packages/tdesign-react-aigc/es/_chunks/dep-a956212b.js	92.6 kB
packages/tdesign-react-aigc/es/_util/reactify.js	3.89 kB
packages/tdesign-react-aigc/es/_util/useDynamicStyle.js	615 B
packages/tdesign-react-aigc/es/attachments/index.js	354 B
packages/tdesign-react-aigc/es/chat-actionbar/index.js	360 B
packages/tdesign-react-aigc/es/chat-engine/components/activity/index.js	285 B
packages/tdesign-react-aigc/es/chat-engine/components/activity/registry.js	1.01 kB
packages/tdesign-react-aigc/es/chat-engine/components/activity/render.js	1.62 kB
packages/tdesign-react-aigc/es/chat-engine/components/activity/types.js	106 B
packages/tdesign-react-aigc/es/chat-engine/components/index.js	490 B
packages/tdesign-react-aigc/es/chat-engine/components/provider/agent-state.js	556 B
packages/tdesign-react-aigc/es/chat-engine/components/toolcall/index.js	422 B
packages/tdesign-react-aigc/es/chat-engine/components/toolcall/registry.js	969 B
packages/tdesign-react-aigc/es/chat-engine/components/toolcall/render.js	2.86 kB
packages/tdesign-react-aigc/es/chat-engine/components/toolcall/types.js	208 B
packages/tdesign-react-aigc/es/chat-engine/hooks/index.js	434 B
packages/tdesign-react-aigc/es/chat-engine/hooks/useAgentActivity.js	841 B
packages/tdesign-react-aigc/es/chat-engine/hooks/useAgentState.js	1.29 kB
packages/tdesign-react-aigc/es/chat-engine/hooks/useAgentToolcall.js	851 B
packages/tdesign-react-aigc/es/chat-engine/hooks/useChat.js	933 B
packages/tdesign-react-aigc/es/chat-engine/index.js	770 B
packages/tdesign-react-aigc/es/chat-filecard/index.js	354 B
packages/tdesign-react-aigc/es/chat-loading/index.js	360 B
packages/tdesign-react-aigc/es/chat-markdown/index.js	406 B
packages/tdesign-react-aigc/es/chat-message/index.js	367 B
packages/tdesign-react-aigc/es/chat-sender/index.js	359 B
packages/tdesign-react-aigc/es/chat-thinking/index.js	387 B
packages/tdesign-react-aigc/es/chatbot/index.js	426 B
packages/tdesign-react-aigc/es/index.js	998 B
packages/tdesign-react-aigc/es/style/index.js	146 B

_{compressed-size-action::tdesign-react-chat}

[tdesign-bot]

TDesign Component Site Preview Open

Component	Preview
tdesign-react
@tdesign-react/chat

[pkg-pr-new]

• tdesign-react-demo

  npm i https://pkg.pr.new/Tencent/tdesign-react@4371
  

  npm i https://pkg.pr.new/Tencent/tdesign-react/@tdesign-react/chat@4371
  

commit: 569203a

[github-actions]

Size Change: +94 B (+0.01%)

Total Size: 932 kB

📦 View Changed

Filename	Size	Change
packages/tdesign-react/dist/tdesign.js	513 kB	+60 B (+0.01%)
packages/tdesign-react/dist/tdesign.min.js	300 kB	+34 B (+0.01%)

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packages/tdesign-react/dist/reset.css	1.93 kB
packages/tdesign-react/dist/tdesign.css	61 kB
packages/tdesign-react/dist/tdesign.min.css	55.2 kB

_{compressed-size-action::tdesign-react}