Id = msg.id;
      overflowNodePreviewImg.src = "data:image/png;base64," + msg.data;
      overflowNodePreviewImgData = msg.data;
      
      frameFormUpdated();
    }
    else if (msg.msg == 'need-parent') {
      // The widget needs a parent, so hide all UI except for the parentFrameSection UI
      showInitialUI(true, false);
    }
  }
</script>