Currently, when deleting, we jump 2 positions, since we are calling next.
However, the next item becomes the current selected position, so handle better
Properly set selected in some edge cases where we may go from a list to 0
Have all instances take a function
Update the remaining modules to take this into account
Numerous smaller refactors to make some widgets work more or less the same
GetRect can lead to a race condition
Add a RenderFunc method so that we can call try to
wrap even more of our rendering in the thread safe
`QueueUpdateDraw` method