message: Ignore polyline edges...add-on is stupidly duplicating them.
diff: @@ -606,6 +606,10 @@ export namespace IModelTileIO {
  if (undefined !== json.polylines && undefined === (polylines = this.readTesselatedPolyline(json.polylines)))
  return { succeeded };
  + const ignorePolylineEdges = true; // ###TODO!!! Add-on is duplicating polyline edges with simple segment edges, wasting gobs of memory...
  + if (ignorePolylineEdges)
  + polylines = undefined;
  +
  succeeded = true;
  let params: EdgeParams | undefined;
  if (undefined !== segments || undefined !== silhouettes || undefined !== polylines) {
  