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

Conflicts:
- app/controllers/oauth/authorized_applications_controller.rb
  Two changes too close to each other
- app/controllers/settings/sessions_controller.rb
- app/lib/user_settings_decorator.rb
  Two changes too close to each other
- app/models/media_attachment.rb
  New changes too close to glitch-soc only changes.
- app/models/user.rb
  Two changes too close to each other.
- app/services/remove_status_service.rb
  Kept direct timeline code which had been removed upstream.
- app/views/settings/preferences/show.html.haml
  Two changes too close to each other.
- config/locales/en.yml
  Introduction of a new string too close to glitch-soc-only's “flavour”
- config/locales/ja.yml
  Introduction of a new string too close to glitch-soc-only's “flavour”
- config/locales/pl.yml
  Introduction of a new string too close to glitch-soc-only's “flavour”
- config/locales/simple_form.en.yml
  Introduction of a new string too close to glitch-soc-only's “skin”
- config/locales/simple_form.pl.yml
  Introduction of a new string too close to glitch-soc-only's “skin”
- config/settings.yml
  Reverted upstream's decision of enabling posting application by default.

app/javascript/mastodon/locales/pl.json

@@ -347,6 +347,7 @@
   "ui.beforeunload": "Utracisz tworzony wpis, jeżeli opuścisz Mastodona.",
   "upload_area.title": "Przeciągnij i upuść aby wysłać",
   "upload_button.label": "Dodaj zawartość multimedialną (JPEG, PNG, GIF, WebM, MP4, MOV)",
+  "upload_error.limit": "Przekroczono limit plików do wysłania.",
   "upload_form.description": "Wprowadź opis dla niewidomych i niedowidzących",
   "upload_form.focus": "Dopasuj podgląd",
   "upload_form.undo": "Usuń",