fix passing reservationsKeyExtractor prop to ReservationList

Author: Inbal-Tish

src/agenda/reservation-list/index.tsx

@@ -78,7 +78,7 @@ class ReservationList extends Component<ReservationListProps, State> {
     refreshControl: PropTypes.element,
     refreshing: PropTypes.bool,
     onRefresh: PropTypes.func,
-    keyExtractor: PropTypes.func
+    reservationsKeyExtractor: PropTypes.func
   };
 
   static defaultProps = {