Sam f4418ae884 PERF: fast docking of timeline so it does not overlap
In the past we debounced all dock check this causes situations where
sometimes timeline would not dock in time especially on slow computers

This works around it by performing the dock by hand.

Also there was missing integer casting causing over aggressive re-rendering
2018-02-22 12:52:43 +11:00
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2017-11-21 11:53:09 +01:00