Schedule View: Wrong Horizontal Scrollbar offset when zooming out
Steps to reproduce:
- Zoom several steps (>3) into a schedule
- Zoom out (step by step) and observe that the horizontal scrollbar “jumps” to the leftmost position even if the 100% zoom level has not been reached yet.
(from redmine: issue id 2463, created on 2016-01-25, closed on 2016-01-27)