message: [bubble] Fixing ad-hoc metric labels
diff: @@ -331,9 +331,9 @@ export default function nvd3Vis(slice, payload) {
  `<tr><td style="color: ${p.color};">` +
  `<strong>${p[fd.entity]}</strong> (${p.group})` +
  '</td></tr>');
  - s += row(fd.x, xAxisFormatter(p.x));
  - s += row(fd.y, yAxisFormatter(p.y));
  - s += row(fd.size, formatter(p.size));
  + s += row(fd.x.label || fd.x, xAxisFormatter(p.x));
  + s += row(fd.y.label || fd.y, yAxisFormatter(p.y));
  + s += row(fd.size.label || fd.size, formatter(p.size));
  s += '</table>';
  return s;
  });
  