fix(comp: checkbox): onChange returned an error oldValue

[liuzaijiang]

fix #790

PR Checklist

Please check if your PR fulfills the following requirements:

• 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

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Component style update
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• Application (the showcase website) / infrastructure changes
• Other... Please describe:

What is the current behavior?

What is the new behavior?

Other information

[idux-bot]

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[codecov]

Codecov Report

Merging #792 (2c681a0) into main (3b8c9d9) will increase coverage by 0.00%.
The diff coverage is 94.73%.

❗ Current head 2c681a0 differs from pull request most recent head ff35406. Consider uploading reports for the commit ff35406 to get more accurate results

@@           Coverage Diff           @@
##             main     #792   +/-   ##
=======================================
  Coverage   83.99%   83.99%           
=======================================
  Files         466      466           
  Lines       12026    12033    +7     
  Branches     2890     2893    +3     
=======================================
+ Hits        10101    10107    +6     
- Misses       1925     1926    +1     

Impacted Files	Coverage Δ
packages/components/button/src/types.ts	100.00% <ø> (ø)
packages/components/config/src/defaultConfig.ts	100.00% <ø> (ø)
packages/components/menu/src/Menu.tsx	100.00% <ø> (ø)
packages/components/menu/src/token.ts	100.00% <ø> (ø)
.../components/menu/src/contents/menu-sub/MenuSub.tsx	95.58% <85.71%> (-1.43%)	⬇️
packages/components/button/src/Button.tsx	96.55% <100.00%> (+0.12%)	⬆️
packages/components/checkbox/src/Checkbox.tsx	95.83% <100.00%> (+0.11%)	⬆️
packages/components/menu/src/contents/MenuItem.tsx	96.87% <100.00%> (+0.10%)	⬆️
...ges/components/menu/src/contents/MenuItemGroup.tsx	88.46% <100.00%> (+0.46%)	⬆️
packages/components/stepper/src/Stepper.tsx	94.11% <100.00%> (+0.36%)	⬆️

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