Have a utility method to build a marker from a color

[jacques-lebourgeois]

Prerequisites

• I have searched for duplicate or closed feature requests
• I have read the contributing guidelines

Proposal

Like getPopoverMarker(seriesIndex: number)

It could be usefull to have getPopoverMarkerFromColor(color: string) in some case we just want to build a marker with the same aspect than the ones build by ODS Charts

Motivation and context

In a popup, we want to display an information that is not directly link with a series