Merge commit '93f3c724aea4efe874054b2f546fff91f0bf731b' into glitch-soc/merge-upstream

Conflicts:
- `spec/system/settings/preferences/appearance_spec.rb`:
  Upstream tests for changing themes in there, but glitch-soc has
  its own place for that.
  Updated upstream's change while skipping the theme test.

app/controllers/concerns/admin/export_controller_concern.rb

@@ -24,6 +24,6 @@ module Admin::ExportControllerConcern
   end
 
   def import_params
-    params.require(:admin_import).permit(:data)
+    params.expect(admin_import: [:data])
   end
 end

app/controllers/concerns/challengable_concern.rb

@@ -58,6 +58,6 @@ module ChallengableConcern
   end
 
   def challenge_params
-    params.require(:form_challenge).permit(:current_password, :return_to)
+    params.expect(form_challenge: [:current_password, :return_to])
   end
 end