Column order changes on hover

[uraani]

If you restyle chart and have "total-descending" order and hover over column, then columns with same values will switch order and "flicker"
https://codepen.io/uraani/pen/OJaGbZV

[bhavinencore]

@alexcjohnson - This is the fix for the above issue. Can you please look at it and approve this Pull Request?
(#6718)