message: mol-state: null obj error report tweak
diff: @@ -414,7 +414,7 @@ function doError(ctx: UpdateContext, ref: Ref, errorText: string | undefined, si
  if (errorText) {
  setCellStatus(ctx, ref, 'error', errorText);
  - ctx.parent.events.log.next({ type: 'error', timestamp: new Date(), message: errorText });
  + if (!silent) ctx.parent.events.log.next({ type: 'error', timestamp: new Date(), message: errorText });
  }
  const cell = ctx.cells.get(ref)!;
  