xaxis.lables.style.cssClass not work in vue3 when chart type is radar

[yp05327]

Description

Steps to Reproduce

1. set chart type to 'radar'
2. add xaxis like

xaxis: {
  categories: [your data],
  labels: {
    show: true,
    style: {
      cssClass: 'custom-class',
    },
  },
},

Expected Behavior

'custom-class' should be set in radar chart

Actual Behavior

• the class of xaxis labels will not include 'custom-class'
  it works when chart type is 'bar'

Screenshots

• the class of xaxis labels will not include 'custom-class'
  

• if chart type is 'bar', it works well:
  

Reproduction Link

https://codesandbox.io/s/vue-basic-example-forked-9rq22g?file=/src/components/Chart.component.vue