Don't show title permalink editor until a save

This somewhat diminishes the effects of this pull request, but it will
help it pass the e2e tests and also streamlines writing a bit. Reverts
back to preventing showing the permalink editor in the title until after
a manual or autosave. It does at least show the actual permalink on
the autosave and users can edit the slug at any time using the
document sidebar.

packages/editor/src/components/post-permalink/index.js

@@ -144,7 +144,7 @@ class PostPermalink extends Component {
 export default compose( [
 	withSelect( ( select ) => {
 		const {
-			isCleanNewPost,
+			isEditedPostNew,
 			isPermalinkEditable,
 			getCurrentPost,
 			getPermalinkParts,
@@ -160,7 +160,7 @@ export default compose( [
 		const postType = getPostType( postTypeName );
 
 		return {
-			isNew: isCleanNewPost(),
+			isNew: isEditedPostNew(),
 			postLink: link,
 			permalinkParts: getPermalinkParts(),
 			postSlug: safeDecodeURIComponent( getEditedPostSlug() ),