Merge commit '0d7340380cf3094335d8bc67f7c465e2b154566a' into glitch-soc/merge-upstream

Conflicts:
- app/controllers/application_controller.rb:
  Upstream added an `include` where we had an extra `include` due to
  glitch-soc's theming system.
  Added upstream's new `include`.

app/helpers/database_helper.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+module DatabaseHelper
+  def with_read_replica(&block)
+    ApplicationRecord.connected_to(role: :read, prevent_writes: true, &block)
+  end
+
+  def with_primary(&block)
+    ApplicationRecord.connected_to(role: :primary, &block)
+  end
+end

app/helpers/domain_control_helper.rb

@@ -2,7 +2,7 @@
 
 module DomainControlHelper
   def domain_not_allowed?(uri_or_domain)
-    return if uri_or_domain.blank?
+    return false if uri_or_domain.blank?
 
     domain = if uri_or_domain.include?('://')
                Addressable::URI.parse(uri_or_domain).host