message: Add row_limit control to line chart
  Somehow it's not possible to set the row_limit for a line chart,
  resulting to a 10k cap in our environment. In some cases the user may
  want more than that.
diff: @@ -58,6 +58,7 @@ export const sections = {
  ['groupby'],
  ['limit', 'timeseries_limit_metric'],
  ['order_desc', 'contribution'],
  + ['row_limit', null],
  ],
  },
  {
  