Add automatic control point tracking to the timing screen
DeepClone
Co-authored-by: Bartłomiej Dach <dach.bartlomiej@gmail.com>
TriangleButton
TimingScreen
Previously it would react to any selection changed event, which could in lude time changes (which is done by removing then adding the ControlPointGroup). Closes #10590.
We want them to display on all screens with a timeline as they are quite useful in all cases.