This adds a new `GeometrySet::modify_geometry_sets` method that can be used to update each sub-geometry-set separately without making any instances real. Differential Revision: https://developer.blender.org/D12650
This adds a new `GeometrySet::modify_geometry_sets` method that can be used to update each sub-geometry-set separately without making any instances real. Differential Revision: https://developer.blender.org/D12650