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

Conflicts:
- `app/views/admin/tags/index.html.haml`:
  Removed upstream while it had changes in glitch-soc to accomodate for the
  theming system.

Additional changes to accomodate for the theming system:
- `app/views/admin/trends/links/preview_card_providers/index.html.haml`
- `app/views/admin/trends/links/index.html.haml`
- `app/views/admin/trends/tags/index.html.haml`
- `app/views/admin/tags/show.html.haml`

spec/helpers/languages_helper_spec.rb

@@ -2,20 +2,15 @@
 
 require 'rails_helper'
 
-describe SettingsHelper do
+describe LanguagesHelper do
   describe 'the HUMAN_LOCALES constant' do
     it 'includes all I18n locales' do
-      options = I18n.available_locales
-
-      expect(described_class::HUMAN_LOCALES.keys).to include(*options)
+      expect(described_class::HUMAN_LOCALES.keys).to include(*I18n.available_locales)
     end
   end
 
   describe 'human_locale' do
     it 'finds the human readable local description from a key' do
-      # Ensure the value is as we expect
-      expect(described_class::HUMAN_LOCALES[:en]).to eq('English')
-
       expect(helper.human_locale(:en)).to eq('English')
     end
   end