fix(Dialog): 修复滚动失效问题

[honkinglin]

🤔 这个 PR 的性质是？

• 日常 bug 修复
• 新特性提交
• 文档改进
• 演示代码改进
• 组件样式/交互改进
• CI/CD 改进
• 重构
• 代码风格优化
• 测试用例
• 分支合并
• 其他

🔗 相关 Issue

💡 需求背景和解决方案

📝 更新日志

• fix(Dialog): 修复滚动失效问题

• 本条 PR 不需要纳入 Changelog

☑️ 请求合并前的自查清单

⚠️ 请自检并全部勾选全部选项。⚠️

• 文档已补充或无须补充
• 代码演示已提供或无须提供
• TypeScript 定义已补充或无须补充
• Changelog 已提供或无须提供

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 33.33333% with 2 lines in your changes missing coverage. Please review.

Project coverage is 60.34%. Comparing base (7b04365) to head (e4b1595).
Report is 1559 commits behind head on develop.

Files with missing lines	Patch %	Lines
src/dialog/RenderDialog.tsx	33.33%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1021      +/-   ##
===========================================
- Coverage    60.40%   60.34%   -0.07%     
===========================================
  Files          937      951      +14     
  Lines        16498    16624     +126     
  Branches      3743     3791      +48     
===========================================
+ Hits          9966    10032      +66     
- Misses        6532     6592      +60     

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