feat: refactor NewDates, clean up legacy code

This reverts commit 0c7836fa59.

apps/scandic-web/components/HotelReservation/MyStay/Modal/ModalContent/index.tsx

@@ -0,0 +1,15 @@
+import Body from "./Body"
+import Footer from "./Footer"
+import Header from "./Header"
+
+import styles from "./modalContent.module.css"
+
+import type { PropsWithChildren } from "react"
+
+export default function ModalContent({ children }: PropsWithChildren) {
+  return <div className={styles.container}>{children}</div>
+}
+
+ModalContent.Body = Body
+ModalContent.Footer = Footer
+ModalContent.Header = Header