Update e2e test quarantine reason

qa/qa/specs/features/ee/browser_ui/1_manage/group/prevent_forking_outside_group_spec.rb

 # frozen_string_literal: true
 
 module QA
-  # This test is disabled on staging due to `top_level_group_creation_enabled` set to false.
+  # This test is disabled on staging and production due to `top_level_group_creation_enabled` set to false.
   # See: https://gitlab.com/gitlab-org/gitlab/-/issues/324808#note_531060031
-  # The bug issue link in the rspec metadata below is for production only.
-  # When unquarantining on staging, it should continue to remain in quarantine in production until the bug is resolved.
-  RSpec.describe 'Manage', quarantine: { only: [:staging, :production], issue: 'https://gitlab.com/gitlab-org/gitlab/-/issues/324808', type: :bug } do
+  RSpec.describe 'Manage', quarantine: { only: [:staging, :production], issue: 'https://gitlab.com/gitlab-org/gitlab/-/issues/324808', type: :waiting_on } do
     describe 'prevent forking outside group' do
       let!(:group_for_fork) do
         Resource::Sandbox.fabricate_via_api! do |sandbox_group|