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

Conflicts:
- `app/javascript/packs/public.js`:
  Upstream modified code that we split between multiple files due
  to glitch-soc's theming system.
  Ported those changes.

db/migrate/20200312162302_add_status_ids_to_announcements.rb

@@ -0,0 +1,6 @@
+class AddStatusIdsToAnnouncements < ActiveRecord::Migration[5.2]
+  def change
+    add_column :announcements, :status_ids, :bigint, array: true
+  end
+end
+