message: Send toggle handler for the cancel button in the pinned events pane
diff: @@ -1596,7 +1596,7 @@ module.exports = React.createClass({
  onCancelClick={this.onCancelSearchClick} onSearch={this.onSearch}/>;
  } else if (this.state.showingPinned) {
  hideCancel = true; // has own cancel
  - aux = <PinnedEventsPanel room={this.state.room} />;
  + aux = <PinnedEventsPanel room={this.state.room} onCancelClick={this.onPinnedClick} />;
  } else if (!myMember || myMember.membership !== "join") {
  // We do have a room object for this room, but we're not currently in it.
  // We may have a 3rd party invite to it.
  