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

Conflicts:
- `app/controllers/admin/base_controller.rb`:
  Minor conflict caused by glitch-soc's theming system.
- `app/javascript/mastodon/initial_state.js`:
  Minor conflict caused by glitch-soc making use of max_toot_chars.
- `app/models/form/admin_settings.rb`:
  Minor conflict caused by glitch-soc's theming system.
- `app/models/trends.rb`:
  Minor conflict caused by glitch-soc having more granular
  notification settings for trends.
- `app/views/admin/accounts/index.html.haml`:
  Minor conflict caused by glitch-soc's theming system.
- `app/views/admin/instances/show.html.haml`:
  Minor conflict caused by glitch-soc's theming system.
- `app/views/layouts/application.html.haml`:
  Minor conflict caused by glitch-soc's theming system.
- `app/views/settings/preferences/notifications/show.html.haml`:
  Minor conflict caused by glitch-soc having more granular
  notification settings for trends.
- `config/navigation.rb`:
  Minor conflict caused by glitch-soc having additional
  navigation items for the theming system while upstream
  slightly changed every line.

1 files changed, 15 insertions, 0 deletions

diff --git a/lib/simple_navigation/item_extensions.rb b/lib/simple_navigation/item_extensions.rb
new file mode 100644
index 000000000..28af37a18
--- /dev/null
+++ b/lib/simple_navigation/item_extensions.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+module SimpleNavigation
+  module ItemExtensions
+    def url
+      if @url.nil? && @sub_navigation
+        @sub_navigation.items.first.url
+      else
+        @url
+      end
+    end
+  end
+end
+
+SimpleNavigation::Item.prepend(SimpleNavigation::ItemExtensions)