* fix(backend): check visibility of following/followers of remote users
Resolves https://github.com/misskey-dev/misskey/issues/13362.
* test(backend): add tests for visibility of following/followers of remote users
* docs(changelog): update CHANGELOG.md
* feat: moderators can see following/followers of all users
* docs(changelog): update CHANGELOG.md
* refactor(backend): minor refactoring
`createPerson`と`if`の条件を統一するとともに、異常系の
処理をearly returnに追い出すための変更。
* feat(backend): moderators can see following/followers count of all users
As per https://github.com/misskey-dev/misskey/pull/14375#issuecomment-2275044908.
* chore: Add the SPDX information to each file
Add copyright and licensing information as defined in version 3.0 of
the REUSE Specification.
* tweak format
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Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>