Superset Mixed TImeseries Chart - formatting for the sidebar (secondary Y axis) doesn't carry over to the tooltip

[kristw]

Superset Mixed TImeseries Chart - formatting for the sidebar (secondary Y axis) doesn't carry over to the tooltip

Expected results

The values in the tooltip for the secondary axis should use the same formatting with the secondary axis.

Actual results

The highlighted values should not have $

How to reproduce the bug

1. Create "Mixed Timeseries Chart" with dual axes and different formatting.

Environment

• superset version: latest

Checklist

Make sure to follow these steps before submitting your issue - thank you!

• I have checked the superset logs for python stacktraces and included it here as text if there are any.
• I have reproduced the issue with at least the latest released version of superset.
• I have checked the issue tracker for the same issue and I haven't found one similar.