message: nix unused "open" render prop
diff: @@ -16,9 +16,7 @@ const arrowStyles = {
  const Dropdown = ({title, scheme, children}) => (
  <div className="BtnGroup">
  <Details className="details-reset BtnGroup-form d-flex">
  - {(
  - {open, toggle} // eslint-disable-line no-unused-vars
  - ) => (
  + {({toggle}) => (
  <React.Fragment>
  <Button tag="summary" scheme={scheme} grouped onClick={toggle}>
  {title} <div className="d-inline-block v-align-middle" style={arrowStyles} />
  