⚡️ perf: support smooth message output

[arvinxx]

💻 变更类型 | Change Type

• ✨ feat
• 🐛 fix
• ♻️ refactor
• 💄 style
• ⚡️ perf
• 🔨 chore
• 📝 docs

🔀 变更说明 | Description of Change

参考 ChatGPTNextWeb/NextChat#3311 实现 stream 消息的平滑输出

close #701

📝 补充信息 | Additional Information

有个实现细节很有意思： https://sharegpt.com/c/GLBrjpK

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
lobe-chat	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jan 5, 2024 6:03am

[lobehubbot]

👍 @arvinxx

Thank you for raising your pull request and contributing to our Community
Please make sure you have followed our contributing guidelines. We will review it as soon as possible.
If you encounter any problems, please feel free to connect with us.
非常感谢您提出拉取请求并为我们的社区做出贡献，请确保您已经遵循了我们的贡献指南，我们会尽快审查它。
如果您遇到任何问题，请随时与我们联系。

[codecov]

Codecov Report

Attention: 16 lines in your changes are missing coverage. Please review.

Comparison is base (569b652) 87.60% compared to head (a9a21fa) 87.95%.
Report is 1 commits behind head on main.

Files	Patch %	Lines
src/utils/fetch.ts	61.53%	10 Missing ⚠️
src/store/chat/slices/message/action.ts	93.25%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #945      +/-   ##
==========================================
+ Coverage   87.60%   87.95%   +0.35%     
==========================================
  Files         173      173              
  Lines        7961     8064     +103     
  Branches      887      905      +18     
==========================================
+ Hits         6974     7093     +119     
+ Misses        987      971      -16     

☔ View full report in Codecov by Sentry.
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[lobehubbot]

❤️ Great PR @arvinxx ❤️

The growth of project is inseparable from user feedback and contribution, thanks for your contribution! If you are interesting with the lobehub developer community, please join our discord and then dm @arvinxx or @canisminor1990. They will invite you to our private developer channel. We are talking about the lobe-chat development or sharing ai newsletter around the world.
项目的成长离不开用户反馈和贡献，感谢您的贡献! 如果您对 LobeHub 开发者社区感兴趣，请加入我们的 discord，然后私信 @arvinxx 或 @canisminor1990。他们会邀请您加入我们的私密开发者频道。我们将会讨论关于 Lobe Chat 的开发，分享和讨论全球范围内的 AI 消息。

[lobehubbot]

🎉 This PR is included in version 0.119.1 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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