Merged in fix/book-115-hidden-focus-indicators (pull request #2925)

Fix/book 115 hidden focus indicators

* added focus ring to "how it works" text and close button in modal

* fix(BOOK-115): added focus ring to Hotel Sidepeek close button

* fix(BOOK-115): enabled selecting ancillaries with keyboard nav

* fix(BOOK-115): added focus indicator to "View and print receipt" in Manage Stay

* fix(BOOK-105 & BOOK-115): combined the two radio groups in payment selection to one, fixes focus indicator issue

* fix(BOOK-115): added focus indicator to shortcut links

* fix(BOOK-115): updated ancillaries keyboard selection

* fix(BOOK-115): removed tabIndex from Link component

* fix(BOOK-115): fixed single payment radio button not focusable

* fix(BOOK-115): updated  to onKeyDown

* added id to "credit card"

* removed toUpperCase() on lables

* removed brackets

* moved the focus indicator to the DS Button component

* removed !important from ButtonLink css

* changed <label> to <fieldset> and <legend> and added aria-label to PaymentOptionGroup

* removed css class from sidepeek that was previously removed

* reverted changes and synced Guarantee radiogroup with Payment radiogroup to use same semantics

* removed duplicate label

* removed old sub heading


Approved-by: Erik Tiekstra

packages/booking-flow/lib/components/EnterDetails/Confirm/Guarantee/guarantee.module.css

@@ -38,6 +38,10 @@
   justify-self: flex-end;
   outline: none;
 }
+.infoButton:focus-visible {
+  outline: 2px auto -webkit-focus-ring-color;
+  outline-offset: 1px;
+}
 
 .overlay {
   align-items: center;