message: BF For some reason 2d attachments have 'camera lights' view flag
  enabled.
diff: @@ -235,7 +235,10 @@ export namespace Attachments {
  public constructor(view: ViewState) {
  super();
  +
  + // ###TODO: Why do 2d views have camera lights enabled?
  this._viewFlagOverrides = new ViewFlag.Overrides(view.viewFlags);
  + this._viewFlagOverrides.setShowCameraLights(false);
  }
  public get maxDepth() { return 1; }
  