fix(backend): update ApPersonService to handle user without endpoint

[PichuChen]

What

Fix #13735

Why

endpoint または sharedInbox がnullの場合、更新をスキップします

Additional info (optional)

Checklist

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

[github-actions[bot]]

このPRによるapi.jsonの差分

差分はこちら

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[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 6 lines in your changes missing coverage. Please review.

Project coverage is 40.16%. Comparing base (efb0429) to head (2f55c80). Report is 14 commits behind head on develop.

Files	Patch %	Lines
...end/src/core/activitypub/models/ApPersonService.ts	0.00%	6 Missing :warning:

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #14080      +/-   ##
===========================================
- Coverage    42.07%   40.16%   -1.91%     
===========================================
  Files         1527     1523       -4     
  Lines       195068   189025    -6043     
  Branches      2688     2668      -20     
===========================================
- Hits         82079    75931    -6148     
- Misses      112448   112553     +105     
  Partials       541      541              

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[tamaina]

「sharedInboxがなくなった」という内容のアップデートがあった場合にnullに更新できなくなりそう

[PichuChen]

「sharedInboxがなくなった」という内容のアップデートがあった場合にnullに更新できなくなりそう

はい、ただし、どのような状況でsharedInboxがもともと存在していた状況がsharedInboxが存在しない状況、つまりnullの状況になるのかはわかりません。