Merge commit '3a2a15c6ea4d4603469861ed9be09da12a122e45' into glitch-soc/merge-upstream

Conflicts:
- `app/views/settings/preferences/appearance/show.html.haml`:
  Conflict because glitch-soc does not have a theme selector here.

spec/models/media_attachment_spec.rb

@@ -2,7 +2,7 @@
 
 require 'rails_helper'
 
-RSpec.describe MediaAttachment do
+RSpec.describe MediaAttachment, paperclip_processing: true do
   describe 'local?' do
     subject { media_attachment.local? }