fix(comp:textarea): @focus and @blur will be triggered twice

[liuzaijiang]

PR Checklist

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• The commit message follows our guidelines
• Tests for the changes have been added/updated or not needed
• Docs and demo have been added/updated or not needed

What is the current behavior?

<ix-textarea
       @blur="onBlur"
       @focus="onFocus"
 />

手动触发blur和focus，回调函数会执行两次

What is the new behavior?

Other information

[idux-bot]

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[codecov]

Codecov Report

Merging #1002 (e9f1129) into main (3e6b08c) will decrease coverage by 0.03%.
The diff coverage is n/a.

❗ Current head e9f1129 differs from pull request most recent head ff46875. Consider uploading reports for the commit ff46875 to get more accurate results

@@            Coverage Diff             @@
##             main    #1002      +/-   ##
==========================================
- Coverage   94.22%   94.18%   -0.04%     
==========================================
  Files         308      308              
  Lines       29074    29070       -4     
  Branches     3486     3483       -3     
==========================================
- Hits        27394    27381      -13     
- Misses       1680     1689       +9     

Impacted Files	Coverage Δ
packages/components/textarea/src/Textarea.tsx	100.00% <ø> (ø)
packages/components/input/src/useInput.ts	91.85% <0.00%> (-6.67%)	⬇️

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