Fixed SD2-598. Added ComponentSerializationService to XmlDesignerLoader to enable undo/redo when designing xml forms.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@849 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/DisplayBindings/FormDesigner/Project/Src/FormDesigner/DesignerLoader/XmlDesignerLoader.cs

@@ -59,7 +59,7 @@ namespace ICSharpCode.FormDesigner
 			Debug.Assert(host != null);
 			this.host = host;
 			host.AddService(typeof(INameCreationService), new NameCreationService(host));
-			
+			host.AddService(typeof(ComponentSerializationService), new CodeDomComponentSerializationService((IServiceProvider)host));
 			base.BeginLoad(host);
 		}