ODS Charts uses tooltip.formatter in place of valueFormatter

[jacques-lebourgeois]

Prerequisites

• I have searched for duplicate or closed issues
• I have validated any HTML to avoid common problems
• I have read the contributing guidelines

Describe the issue

Apache Echarts uses tooltip.formatter to format tooltip/popover values like in the example;

tooltip: {
  formatter: function (params) {
    return `<span style="color: red; font-size:x-large">${Math.round(params[0].value * 100) / 100}</span> °C\`;
  },
},

Since Apace ECharts 5.3.0 there is a tooltip.valueFormatter that should be uses in place of the tooltip.formatter

Reduced test cases

Contradiction betwwen example Specific value tooltip content in ODS Charts
and tooltip.formatter definition

What operating system(s) are you seeing the problem on?

Windows

What browser(s) are you seeing the problem on?

Chrome

What version of ODS Charts are you using?

v0.3.1