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

Conflicts manually resolved:
- app/services/post_status_service.rb
- config/locales/simple_form.pl.yml
- config/routes.rb
- config/webpack/loaders/sass.js
- config/webpack/shared.js
- package.json
- yarn.lock

app/serializers/initial_state_serializer.rb

@@ -22,6 +22,7 @@ class InitialStateSerializer < ActiveModel::Serializer
       version: Mastodon::Version.to_s,
       invites_enabled: Setting.min_invite_role == 'user',
       mascot: instance_presenter.mascot&.file&.url,
+      profile_directory: Setting.profile_directory,
     }
 
     if object.current_account