message: show node image SHA if none with tags
diff: @@ -286,9 +286,7 @@ const Details = ({obj: node}) => {
  </thead>
  <tbody>
  {_.map(node.status.images, (image, i) => <tr key={i}>
  - <td>
  - {image.names.find(name => name.indexOf('@') === -1)}
  - </td>
  + <td>{image.names.find(name => !name.includes('@')) || image.names[0]}</td>
  <td>{units.humanize(image.sizeBytes, 'decimalBytes', true).string || '-'}</td>
  </tr>)}
  </tbody>
  