message: [vis] bar values should match y axis format
  It passes the user yAxis format value to the totalValue function to render the label text accordingly
diff: @@ -23,8 +23,8 @@ const BREAKPOINTS = {
  small: 340,
  };
  -const addTotalBarValues = function (svg, chart, data, stacked) {
  - const format = d3.format('.3s');
  +const addTotalBarValues = function (svg, chart, data, stacked, axisFormat) {
  + const format = d3.format(axisFormat || '.3s');
  const countSeriesDisplayed = data.length;
  const totalStackedValues = stacked && data.length !== 0 ?
  @@ -169,7 +169,7 @@ function nvd3Vis(slice, payload) {
  if (fd.show_bar_value) {
  setTimeout(function () {
  - addTotalBarValues(svg, chart, payload.data, stacked);
  + addTotalBarValues(svg, chart, payload.data, stacked, fd.y_axis_format);
  }, animationTime);
  }
  break;
  @@ -199,7 +199,7 @@ function nvd3Vis(slice, payload) {
  }
  if (fd.show_bar_value) {
  setTimeout(function () {
  - addTotalBarValues(svg, chart, payload.data, stacked);
  + addTotalBarValues(svg, chart, payload.data, stacked, fd.y_axis_format);
  }, animationTime);
  }
  if (!reduceXTicks) {
  