mono: update window construction

they simply missed parameters here

Reviewed-by: Stefan Schmidt <stefan@datenfreihafen.org>
Differential Revision: https://phab.enlightenment.org/D11954

src/tests/efl_mono/Model.cs

@@ -69,7 +69,7 @@ public static class TestModel {
     {
         string propertyBound = null;
         bool callbackCalled = false;
-        var parent = new Efl.Ui.Win(null);
+        var parent = new Efl.Ui.Win(null, "", "");
         parent.Visible = false;
         var factory = new Efl.Ui.ItemFactory<Efl.Ui.Button>(parent);
         factory.PropertyBoundEvent += (object sender, Efl.Ui.PropertyBindPropertyBoundEventArgs args) => {

src/tests/efl_mono/Parts.cs

@@ -61,7 +61,7 @@ public static class TestMVVMParts
 {
     public static void mvvm_dynamic_parts()
     {
-        var parent = new Efl.Ui.Win(null);
+        var parent = new Efl.Ui.Win(null, "", "");
         parent.Visible = false;
         var factory = new Efl.Ui.ItemFactory<Efl.Ui.ListDefaultItem>(parent);
 
@@ -75,7 +75,7 @@ public static class TestMVVMParts
 
     public static void mvvm_factory_properties()
     {
-        var parent = new Efl.Ui.Win(null);
+        var parent = new Efl.Ui.Win(null, "", "");
         parent.Visible = false;
         var factory = new Efl.Ui.ItemFactory<Efl.Ui.ListDefaultItem>(parent);
         var iconFactory = new Efl.Ui.ImageFactory(null);