Make QR code button focusable (#9822)

ui/app/pages/send/send-content/add-recipient/ens-input.component.js

@@ -211,7 +211,7 @@ export default class EnsInput extends Component {
             autoFocus
             data-testid="ens-input"
           />
-          <div
+          <button
             className={classnames('ens-input__wrapper__action-icon', {
               'ens-input__wrapper__action-icon--erase': input,
               'ens-input__wrapper__action-icon--qrcode': !input,

ui/app/pages/send/send.scss

@@ -208,6 +208,7 @@
 
       &--erase {
         background-image: url("/images/close-gray.svg");
+        background-color: unset;
         width: 0.75rem;
         height: 0.75rem;
         margin: 0 0.25rem;
@@ -215,6 +216,7 @@
 
       &--qrcode {
         background-image: url("/images/qr-blue.svg");
+        background-color: unset;
         width: 1.5rem;
         height: 1.5rem;
         margin: 0 0.25rem;