refactor: remove default value of event handler props

[sungik-choi]

Self Checklist

• I wrote a PR title in English and added an appropriate label to the PR.
• I wrote the commit message in English and to follow the Conventional Commits specification.
• I added the changeset about the changes that needed to be released. (or didn't have to)
• I wrote or updated documentation related to the changes. (or didn't have to)
• I wrote or updated tests related to the changes. (or didn't have to)
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  • Windows: Chrome, Edge, (Optional) Firefox
  • macOS: Chrome, Edge, Safari, (Optional) Firefox

Related Issue

Fixes #1122

Summary

Remove default value of event handler props

Details

#1122 를 참고해주세요.

Breaking change? (Yes/No)

No

[changeset-bot]

⚠️ No Changeset found

Latest commit: 54ca380

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[github-actions]

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[codecov]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (3faa301) 84.10% compared to head (54ca380) 84.03%.

Files	Patch %	Lines
.../bezier-react/src/components/NavGroup/NavGroup.tsx	0.00%	1 Missing ⚠️
...es/bezier-react/src/components/NavItem/NavItem.tsx	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##            alpha    #1979      +/-   ##
==========================================
- Coverage   84.10%   84.03%   -0.08%     
==========================================
  Files         141      141              
  Lines        2277     2267      -10     
  Branches      616      610       -6     
==========================================
- Hits         1915     1905      -10     
  Misses        285      285              
  Partials       77       77              

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