fix: Descriptions labelStyle unsuccessful

[xrkffgg]

[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 #29933

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	Fix bug that Descriptions labelStyle contentStyle unsuccessful when setting layout='vertical' bordered=true.
🇨🇳 Chinese	修复 Descriptions 设置 layout='vertical' bordered=true 时，labelStyle contentStyle 未生效的问题。

☑️ 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

[github-actions]

[github-actions]

Size Change: +10 B (0%)

Total Size: 828 kB

Filename	Size	Change
./dist/antd-with-locales.min.js	338 kB	+8 B (0%)
./dist/antd.min.js	297 kB	+2 B (0%)

ℹ️ View Unchanged

Filename	Size	Change
./dist/antd.compact.min.css	63.7 kB	0 B
./dist/antd.dark.min.css	65 kB	0 B
./dist/antd.min.css	63.7 kB	0 B

_{compressed-size-action}

[codecov]

Codecov Report

Merging #29942 (749a99a) into master (a1baecb) will not change coverage.
The diff coverage is 100.00%.

❗ Current head 749a99a differs from pull request most recent head 8554682. Consider uploading reports for the commit 8554682 to get more accurate results

@@            Coverage Diff            @@
##            master    #29942   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          397       397           
  Lines         7518      7519    +1     
  Branches      2099      2100    +1     
=========================================
+ Hits          7518      7519    +1     

Impacted Files	Coverage Δ
components/descriptions/Cell.tsx	100.00% <100.00%> (ø)

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