Fix Modal missing modalRender prop

[jieny]

🤔 这个变动的性质是？

• 新特性提交
• 日常 bug 修复
• 站点、文档改进
• 演示代码改进
• 组件样式/交互改进
• TypeScript 定义更新
• 包体积优化
• 性能优化
• 重构
• 功能增强
• 国际化改进
• 代码风格优化
• 测试用例
• 分支合并
• 其他改动（是关于什么的改动？）

🔗 相关 Issue

#27174

💡 需求背景和解决方案

支持Modal拖拽

📝 更新日志怎么写？

语言	更新描述
🇺🇸 英文	Fix Modal missing modalRender prop
🇨🇳 中文	修复 Modal modalRender 属性定义

☑️ 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

[ant-design-bot]

[ant-design-bot]

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[hengkx]

rebase master and check ci

[codecov]

Codecov Report

Merging #27272 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master    #27272   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          389       389           
  Lines         7389      7389           
  Branches      2067      2025   -42     
=========================================
  Hits          7389      7389           

Impacted Files	Coverage Δ
components/modal/ConfirmDialog.tsx	100.00% <ø> (ø)
components/modal/Modal.tsx	100.00% <ø> (ø)

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