message: More appeasing of the linter
diff: @@ -95,7 +95,7 @@ export default class BasicMessageEditor extends React.Component {
  }
  // TODO: [REACT-WARNING] Move into better lifecycle position
  - UNSAFE_componentWillUpdate(prevProps) {
  + UNSAFE_componentWillUpdate(prevProps) { // eslint-disable-line camelcase
  if (this.props.placeholder !== prevProps.placeholder && this.props.placeholder) {
  const {isEmpty} = this.props.model;
  if (isEmpty) {
  