fix(backend): getApTypeでエラーを投げないように

[kakkokari-gtyih]

What

• getApTypeでタイプの特定ができなかった場合はnullを返すように
• 関連する処理の修正

Why

Fix #14239

Additional info (optional)

こういうことであってる？

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

[github-actions]

このPRによるapi.jsonの差分

差分はこちら

Get diff files from Workflow Page

[codecov]

Codecov Report

Attention: Patch coverage is 69.23077% with 8 lines in your changes missing coverage. Please review.

Project coverage is 39.91%. Comparing base (0aaf74e) to head (9991606).

Files	Patch %	Lines
packages/backend/src/core/activitypub/type.ts	69.56%	7 Missing ⚠️
...ckend/src/core/activitypub/models/ApNoteService.ts	66.66%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #14361      +/-   ##
===========================================
+ Coverage    38.88%   39.91%   +1.03%     
===========================================
  Files         1545     1545              
  Lines       190490   190505      +15     
  Branches      2409     3503    +1094     
===========================================
+ Hits         74072    76044    +1972     
+ Misses      115857   113870    -1987     
- Partials       561      591      +30     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[kakkokari-gtyih]

コンフリクト解消

[syuilo]

コメントとかでエラーにしない理由を残しておいた方が良さそう
(そうしないと将来のリファクタとかでエラーを投げる形式に変えるかもしれない)

[kakkokari-gtyih]

コメントとかでエラーにしない理由を残しておいた方が良さそう (そうしないと将来のリファクタとかでエラーを投げる形式に変えるかもしれない)

done

[syuilo]

🙏🏿