message: Allow for user of the Popover to overwrite modifiers
diff: @@ -195,7 +195,7 @@ class Popover extends Component {
  <Popper
  {...others}
  placement={toPopperPlacement(position, align)}
  - modifiers={{ ...modifiers, ...popperModifiers }}
  + modifiers={{ ...popperModifiers, ...modifiers }}
  >
  {({ ref, style, placement }) =>
  isOpen && (
  