message: Update placeholder when it changes, not sure how this ever worked
diff: @@ -94,6 +94,17 @@ export default class BasicMessageEditor extends React.Component {
  this._emoticonSettingHandle = null;
  }
  + componentDidUpdate(prevProps) {
  + if (this.props.placeholder !== prevProps.placeholder && this.props.placeholder) {
  + const {isEmpty} = this.props.model;
  + if (isEmpty) {
  + this._showPlaceholder();
  + } else {
  + this._hidePlaceholder();
  + }
  + }
  + }
  +
  _replaceEmoticon = (caretPosition, inputType, diff) => {
  const {model} = this.props;
  const range = model.startRange(caretPosition);
  