This is a test program for RadNavigationView. I've added 20 RadPageViewPages inside the RadNavigationView, and each page contains a UserControl. After adding 20 pages, a vertical scrollbar appears in the pageList area. However, after switching between pages once, when I scroll within a UserControl using the mouse, the scrollbar in the pageList area also moves simultaneously, which affects my usage. Is there a way to solve this issue?