Ghostkeeper 6eeb135672
Fix calculating AABBs if group nodes are involved
The position of the group node should in theory never be included.
We'll return that position only if there is no mesh data and all children have no AABB either. In that case we'll return a degenerate AABB so that handling code has something to work with. But then also make sure that those degenerate AABBs are ignored if we want to get the AABB of a parent node.

Contributes to issue CURA-7873.
2021-05-21 13:30:53 +02:00
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