qt: Add widget for navigating menus in interactive videos

Signed-off-by: Mohit Marathe mohitmarathe23@gmail.com

This MR:

1. Adds a draggable widget to navigate through interactive elements of the video (like DVD menus)
2. Adds a button to controlbar list to toggle the visibility of the widget.

Kooha-2023-09-20-10-16-04.mkv