message: Fixed react warnings
diff: @@ -218,12 +218,14 @@ class PropertyPane extends React.Component<PropertyPaneProps, PropertyPaneState>
  return (<div className="NoProperties">No Properties</div>);
  return (
  <table>
  - {this.state.records.map((record: PropertyDisplayInfo) => (
  - <tr>
  + <tbody>
  + {this.state.records.map((record: PropertyDisplayInfo, index: number) => (
  + <tr key={index}>
  <td className="PropertyLabel">{record.label}</td>
  <td className="PropertyValue">{record.value}</td>
  </tr>
  ))}
  + </tbody>
  </table>
  );
  }
  