Tab View, tab moved to new window cannot be moved back to main window

[imjamesb]

I am wondering if there is a way to make the tab draggable back into the main window. See video. (safe for work).

2022-08-22_01-46-08.mp4

[imjamesb]

I think this might have something to do with it. I'll look further into it.

https://github.com/microsoft/WinUI-Gallery/blob/main/WinUIGallery/TabViewPages/TabViewWindowingSamplePage.xaml.cs#L35-L53