Resolve "Split-Tool: Resulting geometry is not topologically correct (border support points missing)"

Anton Jacobssonrequested to merge
8-split-tool-resulting-geometry-is-not-topologically-correct-border-support-points-missing into main

Inserts support points along cut vertices. Also adds topological leniency to the 'topo-check' of 2mm / 2mm^2.

Closes #8

Merge request reports