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/TempDesignSystem/BackToTopButton/index.tsx

@@ -3,7 +3,7 @@
 import { Button as ButtonRAC } from "react-aria-components"
 import { useIntl } from "react-intl"
 
-import { ArrowUpIcon } from "@/components/Icons"
+import { MaterialIcon } from "@scandic-hotels/design-system/Icons"
 
 import { backToTopButtonVariants } from "./variants"
 
@@ -22,7 +22,7 @@ export function BackToTopButton({
       className={backToTopButtonVariants({ position })}
       onPress={onClick}
     >
-      <ArrowUpIcon color="burgundy" />
+      <MaterialIcon icon="arrow_upward" color="CurrentColor" />
       <span className={styles.backToTopButtonText}>
         {intl.formatMessage({ id: "Back to top" })}
       </span>