Wrong scroll position after drop in scroll container

[komlew]

Bug or feature request?

Bug

Steps to reproduce

1. Open storybook frame with "Droppable is a scroll container" (https://react-beautiful-dnd.netlify.com/?selectedKind=single%20vertical%20list&selectedStory=Droppable%20is%20a%20scroll%20container&full=0&down=1&left=1&panelRight=0&downPanel=storybook%2Factions%2Factions-panel).
2. Grab one of the elements at the top of the list.
3. Scroll the container down until you reach the bottom.
4. Drop the element at the last position.

Expected behavior

The draggable block is moved to the last position, scroll position of the container is at its end, so you can see the element you've just dropped (it's at the bottom of the container).

Actual behavior

The draggable block is moved to the last position, the container is scrolled until the new element, so you can't see the element you've just dropped (it's bellow the container scroll position).

Browser version

Google Chrome, Version 63.0.3239.132 (Official Build) (64-bit)

Demo

Added animated gif (8mb) below...

[alexreardon]

Spot on @komlew. We will track this in #291.

Thanks!

[komlew]

Thanks, @alexreardon

That's after reading your great article https://medium.com/@alexandereardon/dragging-react-performance-forward-688b30d40a33