Merge branch 'master' into glitch-soc/merge-upstream

Conflicts:
- `app/services/remove_status_service.rb`:
  Conflict caused by us having a distinc Direct timeline.
  Ported upstream changes.
- `app/javascript/mastodon/features/compose/components/compose_form.js`:
  Conflict between glitch-soc's variable character limit and upstream
  refactoring that part of the code.
  Ported upstream changes.

app/javascript/mastodon/locales/ja.json

@@ -338,7 +338,7 @@
   "notifications.filter.follows": "フォロー",
   "notifications.filter.mentions": "返信",
   "notifications.filter.polls": "アンケート結果",
-  "notifications.filter.statuses": "Updates from people you follow",
+  "notifications.filter.statuses": "フォローしている人の新着情報",
   "notifications.group": "{count} 件の通知",
   "notifications.mark_as_read": "すべて既読にする",
   "notifications.permission_denied": "ブラウザの通知が拒否されているためデスクトップ通知は利用できません",
@@ -362,7 +362,7 @@
   "privacy.private.short": "フォロワー限定",
   "privacy.public.long": "誰でも閲覧可、公開TLに表示",
   "privacy.public.short": "公開",
-  "privacy.unlisted.long": "誰でも閲覧可、公開タイムラインに非表示",
+  "privacy.unlisted.long": "誰でも閲覧可、公開TLに非表示",
   "privacy.unlisted.short": "未収載",
   "refresh": "更新",
   "regeneration_indicator.label": "読み込み中…",