feat(tooltip): enhanced tooltip

[markov00]

Summary

WIP on the new tooltip design

Details

Issues

Checklist

• [ ] The proper chart type label has been added (e.g. :xy, :partition)
• [ ] The proper feature labels have been added (e.g. :interactions, :axis)
• [ ] The :theme label has been added and the @elastic/eui-design team has been pinged when there are Theme API changes
• [ ] All related issues have been linked (i.e. closes #123, fixes #123)
• [ ] New public API exports have been added to packages/charts/src/index.ts
• [ ] Unit tests have been added or updated to match the most common scenarios
• [ ] The proper documentation and/or storybook story has been added or updated
• [ ] The code has been checked for cross-browser compatibility (Chrome, Firefox, Safari, Edge)
• [ ] Visual changes have been tested with all available themes including dark, light, eui-dark & eui-light

[elastic-datavis[bot]]

Deployments - 0c32c1b1ceff4b49bce09f7e604a4d8b6446e10e

• Storybook (link)
• e2e server (link)
• Playwright report (link)

[markov00]

Close as implemented in #1782