[Testing] Feature Matrix UITest Cases for CollectionView Dynamic changes (#29424)

* Added FeatureTests for CollectionView

* changes updated

* changes updated

Author: NafeelaNazhir

src/Controls/tests/TestCases.HostApp/FeatureMatrix/CollectionView/CollectionViewDynamicChanges/CollectionViewDynamicOptionsPage.xaml.cs

@@ -301,4 +301,4 @@ private void OnItemsSourceChanged(object sender, CheckedChangedEventArgs e)
 		else if (radioButton == ItemsSourceNone)
 			_viewModel.ItemsSourceType = ItemsSourceType.None;
 	}
-}
+}