commit 49d41516948c4e72adc6244fcfedeeb370e7052f
Author: Lukas K <lu@0x83.eu>
Date:   Tue Sep 20 23:50:26 2022 +0200

    pdf export: project arc centers in polygons onto perpendicular bisector
    
    changelog: Bugfixes/Board Editor: correctly represent polygon arcs in
    PDF export if the arc's center isn't on the perpendicular bisector
