message: fixed save button props
diff: @@ -6,8 +6,10 @@ import "./style.css";
  export default class SaveButton extends React.Component {
  render() {
  + const props = {...this.props};
  + delete props.unsaved;
  return (
  - <ActionButton data-tip="<p>Save project</p>" {...this.props} className={classNames("si-save", {pulse: this.props.unsaved}, this.props.className)} />// eslint-disable-line react/prop-types
  + <ActionButton data-tip="<p>Save project</p>" {...props} className={classNames("si-save", {pulse: this.props.unsaved}, this.props.className)} />// eslint-disable-line react/prop-types
  );
  }
  