Accessibility: Focus gets recycled

This is a demo using `RecycleScroller`.

The selection highlight is visible when the item is focussed. When scrolling fast enough, you can see that other items "look" focussed although they should not be. I assume that the view that was initially focussed gets recycled as is, including the focus.

## Problem
While scrolling, the selection highlight randomly shows up for items that aren’t actually selected. In the demo I select the item at `index = 0` but items with other indices show up as being selected. At some point, the selection gets lost completely.