Add transition callbacks for Toast

[totembe]

Is your feature request related to a problem? Please describe

After toast animation completion, I want to run some cleaning functions, like removing data from redux state. In my scenaroio this state also controls what toasters would be displayed. So if i remove my data from state, toaster will be closed immediately without animation.

Describe the solution you'd like

onHidden event which is called after transition completed would solve this problem.

Describe alternatives you've considered

No response

Additional context

No response

[spigelli]

@totembe Submitted a pr to try and add this functionality, can you verify this is the behavior you were describing?

[totembe]

yes