fix: Divider border style not work on text mode

[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 #26846

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	Fix Divider border style not work when text is provided.
🇨🇳 Chinese	修复 Divider 在有文字时，设置边框颜色无效的问题。

☑️ 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

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View rendered components/divider/demo/customize-style.md

[ant-design-bot]

[ant-design-bot]

[codesandbox-ci]

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Sandbox	Source
antd reproduction template	Configuration
beautiful-kowalevski-zkke3	Issue #26846

[codecov]

Codecov Report

Merging #26863 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master    #26863   +/-   ##
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  Coverage   100.00%   100.00%           
=========================================
  Files          384       384           
  Lines         7365      7365           
  Branches      2049      2007   -42     
=========================================
  Hits          7365      7365           

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[github-actions]

Size Change: +46 B (0%)

Total Size: 796 kB

Filename	Size	Change
./dist/antd.compact.min.css	66.4 kB	+13 B (0%)
./dist/antd.dark.min.css	67.7 kB	+17 B (0%)
./dist/antd.min.css	66.4 kB	+16 B (0%)

ℹ️ View Unchanged

Filename	Size	Change
./dist/antd-with-locales.min.js	315 kB	0 B
./dist/antd.min.js	281 kB	0 B

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