message: Setting overlay to true when we set onClickOutside
  When setting a custom handler with `onClickOutside`, the function is not executed unless overlay is set to `true`. Setting `overlay` to true on the example so `handleClickOutside` gets executed.
diff: @@ -47,7 +47,7 @@ The `Dropdown` element is built to also let you manage the open state and toggle
  const handleClickOutside = () => setOpen(false)
  return (
  - <Dropdown open={open} onToggle={handleToggle} onClickOutside={handleClickOutside}>
  + <Dropdown open={open} onToggle={handleToggle} onClickOutside={handleClickOutside} overlay={true}>
  <Dropdown.Button>Dropdown</Dropdown.Button>
  <Dropdown.Menu direction='sw'>
  <Dropdown.Item>Item 1</Dropdown.Item>
  