fix: Drawer content overflow when placement is top or bottom

[shaodahong]

🤔 This is a ...

• New feature
• Bug fix
• Site / document update
• Component style update
• TypeScript definition update
• Refactoring
• Code style optimization
• Test Case
• Branch merge
• Other (about what?)

🔗 Related issue link

Fixed #19454

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	Fix Drawer content overflow when placement prop is top or bottom
🇨🇳 Chinese	修复 Drawer 当 placement 属性为 top 或 bottom 时内容溢出

☑️ Self Check before Merge

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

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[codecov]

Codecov Report

Merging #19506 into master will decrease coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master   #19506      +/-   ##
==========================================
- Coverage    97.8%    97.8%   -0.01%     
==========================================
  Files         284      284              
  Lines        7698     7696       -2     
  Branches     2116     2160      +44     
==========================================
- Hits         7529     7527       -2     
  Misses        169      169

Impacted Files	Coverage Δ
components/drawer/index.tsx	98.68% <100%> (-0.04%)	⬇️

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[jljsj33]

https://github.com/react-component/drawer/blob/master/assets/index.less#L31

参照 rc-drawer 加在 content 里吧；

[jljsj33]

https://github.com/ant-design/ant-design/blob/fe199acd2fe41ffb3c0cad3e7df8d3c34f803fba/components/drawer/style/drawer.less#L140

[shaodahong]

@jljsj33 有一点很怪异, 如果可以滚动, 我滚动一段距离关闭再重新打开, 滚动距离还是上次的, 这个是不是应该优化

[jljsj33]

不用忧化，， antd 有关闭后清除子级内容的。。。

[yoyo837]

hello, rebase

[shaodahong]

/rebase