Merge branch 'sh-stub-metrics-folder-frontend-fixtures-gen' into 'master'

Fix frontend fixtures failing when metrics dir does not exist

See merge request gitlab-org/gitlab!78704

spec/frontend/fixtures/application_settings.rb

@@ -13,6 +13,7 @@ RSpec.describe Admin::ApplicationSettingsController, '(JavaScript fixtures)', ty
 
   before do
     stub_env('IN_MEMORY_APPLICATION_SETTINGS', 'false')
+    allow(Gitlab::Metrics).to receive(:metrics_folder_present?).and_return(true)
     sign_in(admin)
     enable_admin_mode!(admin)
   end