Fix cloning of SettingsViewModels.

Tests/ViewModels/SettingsRepositoryViewModelTest.cs

@@ -66,6 +66,7 @@ namespace Tests.ViewModels
             Assert.AreNotSame(orig.RevealModelObject(), copy.RevealModelObject());
 
             Assert.AreEqual(String.Format("Kopie von {0}", orig.Name), copy.Name);
+            Assert.IsTrue(copy.IsSelected);
         }
     }
 }