feat: 优化一些滚动判断逻辑，更加平滑的滚动

[ONLY-yours]

💻 变更类型 | Change Type

• [ ] ✨ feat
• [ ] 🐛 fix
• [ ] 💄 style
• [ ] 🔨 chore
• [ ] 📝 docs

🔀 变更说明 | Description of Change

📝 补充信息 | Additional Information

[github-actions[bot]]

🎊 PR Preview c913ba0f98173b916b1bd29bdf5a68f3ad061483 has been successfully built and deployed to https://ant-design-pro-chat-preview-pr-171.surge.sh

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