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

Conflicts:
- README.md
- app/javascript/styles/mastodon/components.scss
  conflicts caused by image URLs being different
- app/models/status.rb
  as_home_timeline removed, kept glitch-soc-only as_direct_timeline
- app/views/statuses/_simple_status.html.haml
- config/locales/en.yml
  some strings were changed upstream
- spec/models/status_spec.rb
  as_home_timeline removed, kept glitch-soc-only as_direct_timeline

app/models/account.rb

@@ -202,7 +202,7 @@ class Account < ApplicationRecord
   end
 
   def unsilence!
-    update!(silenced_at: nil, trust_level: trust_level == TRUST_LEVELS[:untrusted] ? TRUST_LEVELS[:trusted] : trust_level)
+    update!(silenced_at: nil)
   end
 
   def suspended?
@@ -312,10 +312,9 @@ class Account < ApplicationRecord
   def save_with_optional_media!
     save!
   rescue ActiveRecord::RecordInvalid
-    self.avatar              = nil
-    self.header              = nil
-    self[:avatar_remote_url] = ''
-    self[:header_remote_url] = ''
+    self.avatar = nil
+    self.header = nil
+
     save!
   end