fix(toolbar): the conference obj is needed to submit feedback

react/features/toolbox/components/ToolboxV2.web.js

      * @returns {void}
      */
     _doOpenFeedback() {
-        this.props.dispatch(openFeedbackDialog());
+        const { _conference } = this.props;
+
+        this.props.dispatch(openFeedbackDialog(_conference));
     }
 
     /**