message: Fix onLoad on wrong element.
diff: @@ -317,6 +317,7 @@ export default React.createClass({
  src={safeWidgetUrl}
  allowFullScreen="true"
  sandbox={sandboxFlags}
  + onLoad={this._onLoaded}
  ></iframe>
  </div>
  );
  @@ -358,7 +359,6 @@ export default React.createClass({
  alt={_t('Edit')}
  title={_t('Edit')}
  onClick={this._onEditClick}
  - onLoad={this._onLoaded}
  /> }
  { /* Delete widget */ }
  