Custom marker symbol bug

[hubertkozik]

Expected behaviour

If I hide and unhide a series using a legend item, the custom marker symbol will be shown correctly.

Actual behaviour

If I hide and unhide a series using a legend item custom marker symbol is stretched.

Live demo with steps to reproduce

https://jsfiddle.net/gh/get/library/pure/highcharts/highcharts/tree/master/samples/highcharts/series-item/symbols

1. Hide a 'male' series using a legend item.
2. Unhide a 'male' series using a legend item - the custom symbol is stretched.

Product version

Highcharts v10.1.0

Affected browser(s)

All

[hubertkozik]

Another related bug: when hiding all of the series, there is an error in the console and the chart is not working.

[hubertkozik]

Workaround with overriding HC core function:
Demo: https://jsfiddle.net/BlackLabel/uha86Lzw/
The plugin is inside the IIFE function.