A dialog action button definition. It is a slightly modified version of the Button definition.
Button
onCreate?: ( button: ButtonView ) => void
module:ui/dialog/dialogactionsview~DialogActionButtonDefinition#onCreate
onExecute: Function
module:ui/dialog/dialogactionsview~DialogActionButtonDefinition#onExecute
Pick<Button, 'label'> & Partial<Pick<Button, 'withText' | 'class' | 'icon'>> & object