Chart macro cannot render date format: d MMM when used date format in the chart.

Issue Summary

Chart macro is erroring out and showing error "Chart macro can't render date format: d MMM", if we use date format inside the chart macro type: time series.

This is reproducible on Data Center: Yes

Steps to Reproduce

1. Create a page
2. insert Chart Macro
3. inside the chart macro, insert the table with values and dates as values on the top row
4. Now, edit the chart macro and select time format (eg d MMM, dd mm yy etc). and save the filter 

Expected Results

We should see the time series chart macro, appearing in the time format we chose

Actual Results

We see error Chart macro can't render date format: d MMM

Workaround

For the time being, we can choose to not give any custom value for the time format and leave the field time format empty, then the chart will appear without any issues but the date format will be default : dd/mm/yyyy format

Example: