message: make featureTable nullable in MeshList
diff: @@ -485,10 +485,11 @@ export class MeshBuilderPolyface {
  }
  export class MeshList extends Array<Mesh> {
  - public readonly features: FeatureTable;
  - constructor(maxFeatures: number = 2014 * 1024, ...args: Mesh[]) {
  + public readonly features?: FeatureTable;
  + constructor(features?: FeatureTable, ...args: Mesh[]) {
  super(...args);
  - this.features = new FeatureTable(maxFeatures);
  + if (undefined !== features)
  + this.features = features;
  }
  }
  