style: 💄 fix Upload picture-card button style

[afc163]

[中文版模板 / Chinese template]

🤔 This is a ...

• New feature
• Bug fix
• Site / documentation update
• Demo update
• Component style update
• TypeScript definition update
• Bundle size optimization
• Performance optimization
• Enhancement feature
• Internationalization
• Refactoring
• Code style optimization
• Test Case
• Branch merge
• Other (about what?)

🔗 Related issue link

close #26317
close #23339
close #24455
close #22386

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	Fix Upload picture-card style unexpected margin in Form.Item
🇨🇳 Chinese	修复 Upload 图片样式在 Form.Item 中有异常 margin 的问题（微调了 dom 结构）。

☑️ Self Check before Merge

⚠️ Please check all items below before review. ⚠️

• 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

---

View rendered components/upload/demo/picture-card.md
View rendered components/upload/demo/picture-style.md

[ant-design-bot]

[ant-design-bot]

[github-actions]

Size Change: +213 B (0%)

Total Size: 797 kB

Filename	Size	Change
./dist/antd-with-locales.min.js	315 kB	+51 B (0%)
./dist/antd.compact.min.css	66.1 kB	+26 B (0%)
./dist/antd.dark.min.css	67.4 kB	+37 B (0%)
./dist/antd.min.css	66.1 kB	+38 B (0%)
./dist/antd.min.js	282 kB	+61 B (0%)

_{compressed-size-action}

[afc163]

陈年老坑，终于修掉了。

[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 679cf52:

Sandbox	Source
antd reproduction template	Configuration
Pictures Wall - Ant Design Demo	Issue #23339
dank-wave-4858k	Issue #26317

[codecov]

Codecov Report

Merging #26367 into master will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master   #26367   +/-   ##
=======================================
  Coverage   99.70%   99.70%           
=======================================
  Files         382      382           
  Lines        7339     7344    +5     
  Branches     2003     2055   +52     
=======================================
+ Hits         7317     7322    +5     
  Misses         22       22           

Impacted Files	Coverage Δ
components/upload/Upload.tsx	100.00% <100.00%> (ø)
components/upload/UploadList.tsx	100.00% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update fbef76e...679cf52. Read the comment docs.