Performance Investigation for Dragging Faces

There were some speed improvements for sketch editing a few weeks ago, and now I’m working on improving the performance when dragging the sides of complex shapes. As well as trying to improve the speed of the algorithm we are using for the dragging itself, I am working on removing the SEHExceptions that we get from the OpenCascade layer.

One of the results of this exception is that during dragging, the face info for the selected shape is changed, causing the direction of the drag to change.

Status report

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