fix: type definition optimization & add key for useModal

[li-jia-nan]

[中文版模板 / Chinese template]

🤔 This is a ...

• New feature
• Bug fix
• Site / documentation update
• Demo update
• Component style update
• TypeScript definition update
• Bundle size optimization
• Performance optimization
• Enhancement feature
• Internationalization
• Refactoring
• Code style optimization
• Test Case
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🔗 Related issue link

💡 Background and solution

📝 Changelog

1. 给 useModal 加了唯一 key

Language	Changelog
🇺🇸 English	fix: add key for useModal
🇨🇳 Chinese	fix: add key for useModal

☑️ Self-Check before Merge

⚠️ Please check all items below before requesting a reviewing. ⚠️

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• TypeScript definition is updated/provided or not needed
• Changelog is provided or not needed

[github-actions]

[github-actions]

size-limit report 📦

Path	Size
./dist/antd.min.js	377.41 KB (+4 B 🔺)
./dist/antd-with-locales.min.js	432.71 KB (+6 B 🔺)

[li-jia-nan]

突然想到 React.ReactNode 类型可能会对用户造成 break change，改回 ReactElement 了

[codecov]

Codecov Report

Base: 100.00% // Head: 100.00% // No change to project coverage 👍

Coverage data is based on head (a1a55c2) compared to base (d93bca1).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff            @@
##            master    #39701   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          556       556           
  Lines         9605      9605           
  Branches      2717      2717           
=========================================
  Hits          9605      9605           

Impacted Files	Coverage Δ
components/message/useMessage.tsx	100.00% <100.00%> (ø)
components/modal/useModal/index.tsx	100.00% <100.00%> (ø)
components/notification/useNotification.tsx	100.00% <100.00%> (ø)

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