fix: Transfer filterOption not trigger by spaces

[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
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🔗 Related issue link

close #26208

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	Fix Transfer filterOption not trigger when search spaces.
🇨🇳 Chinese	修复 Transfer 搜索空格时 filterOption 没有触发的问题。

☑️ 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
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[ant-design-bot]

[ant-design-bot]

[github-actions]

Size Change: -13 B (0%)

Total Size: 808 kB

Filename	Size	Change
./dist/antd-with-locales.min.js	321 kB	-7 B (0%)
./dist/antd.min.js	290 kB	-6 B (0%)

ℹ️ View Unchanged

Filename	Size	Change
./dist/antd.compact.min.css	65 kB	0 B
./dist/antd.dark.min.css	66.3 kB	0 B
./dist/antd.min.css	65 kB	0 B

_{compressed-size-action}

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