FEATURE: admin can disable flags (#27171)

UI for admins to disable system flags.

db/fixtures/003_flags.rb

@@ -54,3 +54,13 @@ Flag.seed do |s|
   s.custom_type = true
   s.applies_to = %w[Post Topic Chat::Message]
 end
+Flag.seed do |s|
+  s.id = 9
+  s.name = "needs_approval"
+  s.position = 6
+  s.notify_type = false
+  s.auto_action_type = false
+  s.custom_type = false
+  s.score_type = true
+  s.applies_to = %w[]
+end

db/migrate/20240527055057_add_score_type_to_flags.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class AddScoreTypeToFlags < ActiveRecord::Migration[7.0]
+  def change
+    add_column(:flags, :score_type, :boolean, default: false, null: false)
+  end
+end