Menus: Restore the title of the currently active/expanded menu item when clicking "Cancel" after editing.

Other inputs are already restored to their previous values in that case.

Props Girishpanchal, nilamacharya, JoshuaWold, welcher, SergeyBiryukov.
Fixes #43031.
Built from https://develop.svn.wordpress.org/trunk@47294


git-svn-id: http://core.svn.wordpress.org/trunk@47094 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/js/nav-menu.js

@@ -1162,6 +1162,7 @@
 		eventOnClickEditLink : function(clickedEl) {
 			var settings, item,
 			matchedSection = /#(.*)$/.exec(clickedEl.href);
+
 			if ( matchedSection && matchedSection[1] ) {
 				settings = $('#'+matchedSection[1]);
 				item = settings.parent();
@@ -1186,8 +1187,12 @@
 		eventOnClickCancelLink : function(clickedEl) {
 			var settings = $( clickedEl ).closest( '.menu-item-settings' ),
 				thisMenuItem = $( clickedEl ).closest( '.menu-item' );
+
 			thisMenuItem.removeClass( 'menu-item-edit-active' ).addClass( 'menu-item-edit-inactive' );
 			settings.setItemData( settings.data( 'menu-item-data' ) ).hide();
+			// Restore the title of the currently active/expanded menu item.
+			thisMenuItem.find( '.menu-item-title' ).text( settings.data( 'menu-item-data' )['menu-item-title'] );
+
 			return false;
 		},
 
@@ -1195,6 +1200,7 @@
 			var locs = '',
 			menuName = $('#menu-name'),
 			menuNameVal = menuName.val();
+
 			// Cancel and warn if invalid menu name.
 			if ( ! menuNameVal || ! menuNameVal.replace( /\s+/, '' ) ) {
 				menuName.parent().addClass( 'form-invalid' );
@@ -1223,6 +1229,7 @@
 
 		eventOnClickMenuItemDelete : function(clickedEl) {
 			var itemID = parseInt(clickedEl.id.replace('delete-', ''), 10);
+
 			api.removeMenuItem( $('#menu-item-' + itemID) );
 			api.registerChange();
 			return false;

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.4-beta1-47293';
+$wp_version = '5.4-beta1-47294';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.