fix(reg): Fix scroll offset was applied twice for hit testing on skia

src/Uno.UI/UI/Xaml/Media/VisualTreeHelper.cs

@@ -299,7 +299,7 @@ private static (UIElement? element, Branch? stale) SearchDownForTopMostElementAt
 				// No needs to adjust the position on Skia:
 				// the scrolling is achieved using a RenderTransform on the content of the ScrollContentPresenter,
 				// so it will already be taken in consideration by the case above.
-#if __SKIA__
+#if !__SKIA__
 				posRelToElement.X += sv.HorizontalOffset;
 				posRelToElement.Y += sv.VerticalOffset;
 #endif