Add custom Tooltip classes

[swashbuck]

Subject of the enhancement

It would be useful to be able to add classes to the _tooltip object for each item. Currently, you can add classes but it removes the existing hotgraphic__pin-tooltip class.

adapt-contrib-hotgraphic/js/hotgraphicModel.js

Lines 24 to 28 in d273e87

	const tooltipConfig = {
	_isStatic: hasStaticTooltips,
	...child.toJSON(),
	_classes: [ 'hotgraphic__pin-tooltip' ],
	...tooltip

An example use case would be if you are using static tooltips and one of the tooltips needs to use an inverted color due to the placement on the image.

"_tooltip": {
    "_isEnabled": true,
    "text": "I'm on a dark background",
    "_classes": "white"
}

[github-actions]

🎉 This issue has been resolved in version 6.13.5 🎉

The release is available on GitHub release

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