When I tried to get that dialog also, on Windows the dialog appears lower in the screen than it does on TimLau’s version:
Can the Windows version be fixed?
And what exactly is the logic for the dialog box to appear? I never saw it before and it only seems to appear based on specifically selecting the track head for Audio and only when there is just one Audio track. Other times it just inserts a video track. Wouldn’t it make sense for it to appear every time “Insert Track” is called on?