fix(useCookieState): the update will not take effect before unmount

[liuyib]

[中文版模板 / Chinese template]

🤔 This is a ...

• New feature
• Bug fix
• Site / documentation update
• Demo update
• TypeScript definition update
• Bundle size optimization
• Performance optimization
• Enhancement feature
• Internationalization
• Refactoring
• Code style optimization
• Test Case
• Branch merge
• Other (about what?)

🔗 Related issue link

#2073

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	The update will not take effect before unmount
🇨🇳 Chinese	更新 cookie 后卸载组件，则更新不会生效

☑️ Self Check before Merge

⚠️ Please check all items below before review. ⚠️

• 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

[liuyib]

ready for review @crazylxr

[CLAassistant]

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✅ liuyib
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