DEICH-5795: deichman.no: change modal layout

deichman.no/components/ReservationsContainer/ReservationContainer.js

@@ -188,11 +188,11 @@ class ReservationContainer extends React.Component {
 
     return (
       <ModalPortal>
-        <div className="reservation-wrapper">
+        <div className="reservation-wrapper" id="reservation-wrapper">
           <FocusTrap
             active={this.state.show}
             focusTrapOptions={{
-              initialFocus: "#reservation-trap"
+              initialFocus: "#reservation-wrapper"
             }}
           >
             <Modal