wrapEvent = (realEvent) => {
  const event = new CustomEvent('select-item', { cancelable: true })
  event.altKey = realEvent.altKey
  event.shiftKey = realEvent.shiftKey
  event.ctrlKey = realEvent.ctrlKey
  event.metaKey = realEvent.metaKey
  return event
}
Wrap click or mousedown event to custom `select-item` event,
that includes only information about clicked keys (alt, shift, ctrl and meta)

@param  {Event} realEvent
@return {CustomEvent}