* Janitor : Improve robustness
* Guard nullptr access
* Limit the curve points to incoming from/to curve point index range
Co-authored-by: magnesj <magnesj@users.noreply.github.com>
When overriding initAfterReader, make sure to always call direct parent.
Failing to do so caused RimPlotCurve::initAfterRead() not to be called, and color and other appearance settings was not imported correctly.