[Dumbbell chart] Not working properly when xaxis is of type `datetime`

[bcldvd]

Description

Steps to Reproduce

1. Take the basic dumbbell chart demo : https://apexcharts.com/javascript-chart-demos/column-charts/dumbbell-chart/
2. Change the dates to be a timestamp instead of a string
3. Change the xaxis to be of type datetime

Expected Behavior

I would expect the chart to display exactly as the demo, but the spacing between the dates to be relative to the range between the dates themselves :

Actual Behavior

However what happens is that the display is completely off for some values...

Screenshots

Reproduction Link

https://codepen.io/bcldvd/pen/vYMmLew