fix: cascader input space bug

[zkwolf]

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This is a ...

• New feature
• Bug fix
• Site / document update
• Component style update
• TypeScript definition update
• Refactoring
• Code style optimization
• Branch merge
• Other (about what?)

What's the background?

1. Describe the source of requirement.
2. Resolve what problem.
   修复cascader组件在搜索时输入空格触发页面滚动的bug
3. Related issue link.
   Cascader 级联搜索时不能输入空格 #1427

API Realization (Optional if not new feature)

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What's the effect? (Optional if not new feature)

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Self Check before Merge

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[codecov]

Codecov Report

Merging #1431 into master will decrease coverage by 0.01%.
The diff coverage is 100%.

@@            Coverage Diff            @@
##           master   #1431      +/-   ##
=========================================
- Coverage   87.92%   87.9%   -0.02%     
=========================================
  Files         156     156              
  Lines        5398    5398              
  Branches     1523    1523              
=========================================
- Hits         4746    4745       -1     
  Misses        583     583              
- Partials       69      70       +1

Impacted Files	Coverage Δ
components/cascader/index.jsx	84.97% <100%> (ø)	⬆️
components/upload/UploadList.jsx	89.77% <0%> (-1.14%)	⬇️

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[github-actions]

This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.