QmlDesigner: Add properties for sorting

Change-Id: I887e3b06ca3accc243283e1ac0895ab81bbdf513
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

src/plugins/qmldesigner/designercore/model/modeltotextmerger.cpp

@@ -388,6 +388,8 @@ PropertyNameList ModelToTextMerger::propertyOrder()
         PropertyName("wrapMode"),
         PropertyName(),
         PropertyName("states"),
+        PropertyName("to"),
+        PropertyName("from"),
         PropertyName("transitions")
     };