Describe the bug
Aria label can not be set in an icon only DropDownButton

To Reproduce
Inspect the button element

https://stackblitz.com/edit/gvk8hm-s2fmdf?file=src%2Fmain.vue

Expected behavior
We can set aria-label

Screenshots
The aria label can be set to some value

Workaround :
https://stackblitz.com/edit/gvk8hm-tquawk?file=src%2Fmain.vue

I have implemented Kendo Vue DropDownButtons in my project, and yesterday find out that "itemClick" event is not fired.

When I check the demo page - it also not working there.

https://www.telerik.com/kendo-vue-ui/components/buttons/dropdownbutton/events/

"@progress/kendo-vue-dropdowns": "^3.5.0",

"vue": "^3.2.13",