Don't consider workplane origin point for bounding box calculation.

src/generate.cpp

@@ -396,6 +396,7 @@ void SolveSpaceUI::ForceReferences() {
         // The origin for our coordinate system, always zero
         Entity *origin = SK.GetEntity(wrkpl->point[0]);
         origin->PointForceTo(Vector::From(0, 0, 0));
+        origin->construction = true;
         SK.GetParam(origin->param[0])->known = true;
         SK.GetParam(origin->param[1])->known = true;
         SK.GetParam(origin->param[2])->known = true;

src/group.cpp

@@ -375,6 +375,7 @@ void Group::Generate(IdList<Entity,hEntity> *entity,
             Entity point = {};
             point.type = Entity::Type::POINT_N_COPY;
             point.numPoint = SK.GetEntity(predef.origin)->PointGetNum();
+            point.construction = true;
             point.group = h;
             point.h = h.entity(2);
             entity->Add(&point);