fix: Summary border missing

[zombieJ]

[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

resolve #30663

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	Fix Table.Summary missing border style when sticky and bordered enabled.
🇨🇳 Chinese	修复 Table.Summary sticky 模式下，配置 bordered 边框样式丢失的问题。

☑️ 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]

[codecov]

Codecov Report

Merging #30666 (d7c3ca1) into master (5f3d0a6) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master    #30666   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          397       397           
  Lines         7544      7544           
  Branches      2112      2112           
=========================================
  Hits          7544      7544           

---

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 5f3d0a6...d7c3ca1. Read the comment docs.

[github-actions]

Size Change: +189 B (0%)

Total Size: 845 kB

Filename	Size	Change
./dist/antd.compact.min.css	64 kB	+64 B (0%)
./dist/antd.dark.min.css	65.3 kB	+60 B (0%)
./dist/antd.min.css	64.1 kB	+65 B (0%)

ℹ️ View Unchanged

Filename	Size	Change
./dist/antd-with-locales.min.js	348 kB	0 B
./dist/antd.min.js	304 kB	0 B

_{compressed-size-action}