fix: useModal missing prefix

[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
• Refactoring
• Code style optimization
• Test Case
• Branch merge
• Other (about what?)

🔗 Related issue link

resolve #25895

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	Fix Modal useModal missing style issue.
🇨🇳 Chinese	修复 Modal useModal 丢失样式问题。

☑️ 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

[ant-design-bot]

[ant-design-bot]

[codesandbox-ci]

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[codecov]

Codecov Report

Merging #25967 into master will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master   #25967   +/-   ##
=======================================
  Coverage   99.57%   99.57%           
=======================================
  Files         373      373           
  Lines        7311     7313    +2     
  Branches     2034     2034           
=======================================
+ Hits         7280     7282    +2     
  Misses         31       31           

Impacted Files	Coverage Δ
components/config-provider/context.tsx	100.00% <100.00%> (ø)
components/modal/useModal/HookModal.tsx	100.00% <100.00%> (ø)

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[github-actions]

Size Change: +48 B (0%)

Total Size: 785 kB

Filename	Size	Change
./dist/antd-with-locales.min.js	311 kB	+23 B (0%)
./dist/antd.min.js	279 kB	+25 B (0%)

ℹ️ View Unchanged

Filename	Size	Change
./dist/antd.compact.min.css	64.7 kB	0 B
./dist/antd.dark.min.css	66 kB	0 B
./dist/antd.min.css	64.7 kB	0 B

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