fix: email verify enable logic

[Candinya]

What

Why

meta.verifymailAuthKey -> affects verifymailApi -> already handled above
meta.enableActiveEmailValidation -> affects whether enable email verify logic -> already handled in if situations

Additional info (optional)

Checklist

• Read the contribution guide
• Test working in a local environment
• (If needed) Add story of storybook
• (If needed) Update CHANGELOG.md
• (If possible) Add tests

[codecov]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (f88ed4d) 81.91% compared to head (40d0cf8) 79.77%.
Report is 3 commits behind head on develop.

Files	Patch %	Lines
packages/backend/src/core/EmailService.ts	0.00%	3 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #12743      +/-   ##
===========================================
- Coverage    81.91%   79.77%   -2.14%     
===========================================
  Files          180      956     +776     
  Lines        27475   108745   +81270     
  Branches       511     8368    +7857     
===========================================
+ Hits         22505    86749   +64244     
- Misses        4970    21996   +17026     

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[Mar0xy]

I feel like this should be merged for #12564 as this fixes an issue where having validation enabled but no key for verifymail set causing it to not run the else statement to check via the node package instead as it just skips everything else and always defaults to valid.

[syuilo]

🙏

[syuilo]

lintが失敗してそう

[Candinya]

lintが失敗してそう

should be fixed in #12761