Merge commit '144a406d332b034caa812ade2629df03ed4898d7' into glitch-soc/merge-upstream

Conflicts:
- `app/views/layouts/application.html.haml`:
  Upstream removed the `crossorigin` attribute from `preload_pack_asset`.
  Glitch-soc had different calls to `preload_pack_asset` because of the
  different theming system.
  Ported the change.
- `app/views/layouts/embedded.html.haml`:
  Upstream removed the `crossorigin` attribute from `preload_pack_asset`.
  Glitch-soc had different calls to `preload_pack_asset` because of the
  different theming system.
  Ported the change.

app/lib/vacuum/applications_vacuum.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+class Vacuum::ApplicationsVacuum
+  def perform
+    Doorkeeper::Application.where(owner_id: nil)
+                           .where.missing(:created_users, :access_tokens, :access_grants)
+                           .where(created_at: ...1.day.ago)
+                           .in_batches.delete_all
+  end
+end