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/Modal/index.tsx

@@ -10,7 +10,8 @@ import {
 } from "react-aria-components"
 import { useIntl } from "react-intl"
 
-import { CloseLargeIcon } from "@/components/Icons"
+import { MaterialIcon } from "@scandic-hotels/design-system/Icons"
+
 import Preamble from "@/components/TempDesignSystem/Text/Preamble"
 import Subtitle from "@/components/TempDesignSystem/Text/Subtitle"
 
@@ -108,7 +109,7 @@ function InnerModal({
                     type="button"
                     className={styles.close}
                   >
-                    <CloseLargeIcon color="uiTextMediumContrast" />
+                    <MaterialIcon icon="close" color="Icon/Feedback/Neutral" />
                   </button>
                 </header>
               )}