"Erased cached data" button in Optimize World is not labeled in the right order when using Tab

Erase cached data button is last when navigating in Optimize World screen in Edit option.

 

How to Reproduce

1. Create new world
2. Use edit option when selecting world
3. Click on "Optimize World" button
4. Press tab few times
5. Notice, how "Erase cached data" button is last in the order, despite being first button