Datalabels and useHTML not trigger events

[sebastianbochan]

useHTML breaks events on datalabels.

[VyacheslavAS]

This issue is still relevant

[sebastianbochan]

Internal note: requires to change attaching events. Instead of dataLabels group, should be applied per each point dataLabel separately.

[pawelfus]

Isn't that a problem from Highcharts directly? Ticket 3398.