[charts] BarChart horizontal now breaks the series value passing

[whsmacon]

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Current behavior

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Expected behavior

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Search keywords: barChart horizontal

[alexfauquette]

I confirm the regression. That's because the tooltip looked for axis with index set to undefined to know if the band scale is on the x-axis or y-axis. But we recently moved from undefined to a value of -1

I opened a PR to fix it

[github-actions]

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