message: Remove duplicate event handler.
diff: @@ -50,6 +50,9 @@ export default class MStickerBody extends MImageBody {
  });
  }, 500);
  this.setState({hidePlaceholderTimer});
  + if (this.props.onWidgetLoad) {
  + this.props.onWidgetLoad();
  + }
  }
  _afterComponentDidMount() {
  @@ -129,7 +132,6 @@ export default class MStickerBody extends MImageBody {
  src={contentUrl}
  ref='image'
  alt={content.body}
  - onLoad={this.props.onWidgetLoad}
  onLoad={this._onImageLoad}
  onMouseEnter={this._onMouseEnter}
  onMouseLeave={this._onMouseLeave}
  