message: Use ember_edit_draft_registration_page flag for metadata page
diff: @@ -262,7 +262,7 @@ module.exports = function(environment) {
  'registries.start': 'ember_registries_submission_start',
  'registries.drafts': 'ember_registries_submission_drafts',
  'registries.drafts.index': 'ember_registries_submission_drafts',
  - 'registries.drafts.draft.metadata': 'ember_registries_submission_metadata',
  + 'registries.drafts.draft.metadata': 'ember_edit_draft_registration_page',
  'registries.drafts.draft.page': 'ember_edit_draft_registration_page',
  'registries.drafts.draft.review': 'ember_edit_draft_registration_page',
  'registries.forms': 'ember_registries_submission_forms',
  