fix:Drawer组件添加 footerStyle 控制台报错

[XianZhengquan]

🤔 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

fix #20978

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	-
🇨🇳 Chinese	修复 Drawer组件添加footerStyle属性后控制台报错

☑️ 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

[ant-design-bot]

[yoyo837]

写一下 Changelog

[XianZhengquan]

在哪里写

[yoyo837]

[XianZhengquan]

加上了

[codesandbox-ci]

This pull request is automatically built and testable in CodeSandbox.

To see build info of the built libraries, click here or the icon next to each commit SHA.

Latest deployment of this branch, based on commit b72fecb:

Sandbox	Source
antd reproduction template	Configuration
sharp-water-lmy6o	Issue #20978

[codecov]

Codecov Report

Merging #20983 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #20983   +/-   ##
=======================================
  Coverage   97.48%   97.48%           
=======================================
  Files         296      296           
  Lines        6909     6909           
  Branches     1906     1870   -36     
=======================================
  Hits         6735     6735           
  Misses        174      174

Impacted Files	Coverage Δ
components/drawer/index.tsx	98.78% <ø> (ø)	⬆️

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[XianZhengquan]

改好了

[yoyo837]

贡献指南

Run npm test -- -u to update the jest snapshots and commit these changes as well (if there are any updates).

[XianZhengquan]

贡献指南

Run npm test -- -u to update the jest snapshots and commit these changes as well (if there are any updates).

我现在是运行这个，然后再提交嘛

[yoyo837]

贡献指南
Run npm test -- -u to update the jest snapshots and commit these changes as well (if there are any updates).

我现在是运行这个，然后再提交嘛

运行完，把变更push上来。

[XianZhengquan]

贡献指南
Run npm test -- -u to update the jest snapshots and commit these changes as well (if there are any updates).

我现在是运行这个，然后再提交嘛

运行完，把变更push上来。

好的

[XianZhengquan]

终于跑完了，push 了