Dialog: Move dialog into widgets folder

Ref #13885

demos/bootstrap.js

@@ -28,7 +28,8 @@ var widgets = [
 	"accordion",
 	"autocomplete",
 	"button",
-	"datepicker"
+	"datepicker",
+	"dialog"
 ];
 
 function getPath( module ) {

tests/unit/dialog/common-deprecated.js

@@ -1,6 +1,6 @@
 define( [
 	"lib/common",
-	"ui/dialog"
+	"ui/widgets/dialog"
 ], function( common ) {
 
 common.testWidget( "dialog", {

tests/unit/dialog/common.js

@@ -1,6 +1,6 @@
 define( [
 	"lib/common",
-	"ui/dialog"
+	"ui/widgets/dialog"
 ], function( common ) {
 
 common.testWidget( "dialog", {

tests/unit/dialog/core.js

@@ -1,6 +1,6 @@
 define( [
 	"jquery",
-	"ui/dialog"
+	"ui/widgets/dialog"
 ], function( $ ) {
 
 // TODO add teardown callback to remove dialogs

tests/unit/dialog/deprecated.js

@@ -1,6 +1,6 @@
 define( [
 	"jquery",
-	"ui/dialog"
+	"ui/widgets/dialog"
 ], function( $ ) {
 
 module( "dialog (deprecated): options" );

tests/unit/dialog/events.js

@@ -1,7 +1,7 @@
 define( [
 	"jquery",
 	"./helper",
-	"ui/dialog"
+	"ui/widgets/dialog"
 ], function( $, testHelper ) {
 
 module("dialog: events");

tests/unit/dialog/helper.js

@@ -1,7 +1,7 @@
 define( [
 	"jquery",
 	"lib/helper",
-	"ui/dialog"
+	"ui/widgets/dialog"
 ], function( $, helper ) {
 
 return $.extend( helper, {

tests/unit/dialog/methods.js

@@ -1,6 +1,6 @@
 define( [
 	"jquery",
-	"ui/dialog"
+	"ui/widgets/dialog"
 ], function( $ ) {
 
 module("dialog: methods", {

tests/unit/dialog/options.js

@@ -1,7 +1,7 @@
 define( [
 	"jquery",
 	"./helper",
-	"ui/dialog",
+	"ui/widgets/dialog",
 	"ui/effect-blind",
 	"ui/effect-explode"
 ], function( $, testHelper ) {

ui/widgets/dialog.js

@@ -22,20 +22,19 @@
 		// AMD. Register as an anonymous module.
 		define( [
 			"jquery",
-			"./core",
-			"./version",
-			"./keycode",
-			"./widget",
-			"./widgets/button",
-			"./draggable",
-			"./focusable",
-			"./mouse",
-			"./position",
-			"./resizable",
-			"./safe-active-element",
-			"./safe-blur",
-			"./tabbable",
-			"./unique-id"
+			"./button",
+			"../mouse",
+			"../resizable",
+			"../draggable",
+			"../focusable",
+			"../keycode",
+			"../position",
+			"../safe-active-element",
+			"../safe-blur",
+			"../tabbable",
+			"../unique-id",
+			"../version",
+			"../widget"
 		], factory );
 	} else {