Merged in feat/SW-1711-switch-icons (pull request #1558)

Switches out all the old icons to new ones, and moves them to the design system. The new icons are of three different types: Materialise Symbol, Nucleo, and Customized. Also adds further mapping between facilities/amenities and icons.

Approved-by: Michael Zetterberg
Approved-by: Erik Tiekstra

apps/scandic-web/components/LanguageSwitcher/LanguageSwitcherContainer/index.tsx

@@ -1,8 +1,9 @@
 import { useIntl } from "react-intl"
 
+import { MaterialIcon } from "@scandic-hotels/design-system/Icons"
+
 import useDropdownStore from "@/stores/main-menu"
 
-import { ChevronLeftIcon } from "@/components/Icons"
 import Subtitle from "@/components/TempDesignSystem/Text/Subtitle"
 
 import styles from "./languageSwitcherContainer.module.css"
@@ -34,7 +35,11 @@ export default function LanguageSwitcherContainer({
             className={styles.backButton}
             onClick={() => toggleDropdown(position)}
           >
-            <ChevronLeftIcon color="red" height={20} width={20} />
+            <MaterialIcon
+              icon="chevron_left"
+              color="Icon/Interactive/Accent"
+              size={20}
+            />
             <Subtitle type="one" asChild>
               <span>
                 {intl.formatMessage({