message: Fix defaultProps on Menu.Popover
diff: @@ -17,7 +17,9 @@ export const menuPopoverPropTypes = {
  children: PropTypes.node.isRequired
  };
  export const menuPopoverDefaultProps = {
  - ...popoverDefaultProps
  + ...popoverDefaultProps,
  + gutter: 6,
  + placement: 'bottom-start'
  };
  export class MenuPopover extends React.Component<LocalMenuPopoverProps> {
  @@ -28,7 +30,7 @@ export class MenuPopover extends React.Component<LocalMenuPopoverProps> {
  const { children, ...props } = this.props;
  return (
  <MenuContext.Provider>
  - <_MenuPopover {...props} gutter={6} placement="bottom-start">
  + <_MenuPopover {...props}>
  {(popover: any) => (
  <MenuContext.Consumer>
  {({ setPopoverProps }) => (
  