feat: useTheme 支持 ssr

[crazylxr]

[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

#2689

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English
🇨🇳 Chinese

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

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[likun7981]

这个关了？现在jest环境也报错 ..

[crazylxr]

这个关了？现在jest环境也报错 ..

#2691 用这个 pr 的代码吧。 现在 ci 过不了，还在处理，我本地的代码已经发布新版本了，更新到 3.8.4 就行。