fix: improve loading on destination overview page

- Only load data from Contentstack
- Use static JSON for destination list
- Some logic improvements to data handling and types

apps/scandic-web/server/routers/hotels/query.ts

@@ -1,4 +1,5 @@
 import { CancellationRuleEnum } from "@/constants/booking"
+import { Lang } from "@/constants/languages"
 import { env } from "@/env/server"
 import * as api from "@/lib/api"
 import { dt } from "@/lib/dt"
@@ -79,7 +80,6 @@ import type {
 } from "@/types/trpc/routers/hotel/availability"
 import type { HotelInput } from "@/types/trpc/routers/hotel/hotel"
 import type { CityLocation } from "@/types/trpc/routers/hotel/locations"
-import type { Lang } from "@/constants/routes/hotelReservation"
 
 export const getHotel = cache(
   async (input: HotelInput, serviceToken: string) => {
@@ -1198,7 +1198,9 @@ export const hotelQueryRouter = router({
       }) {
         const lang = input?.lang ?? ctx.lang
         const countries = await getCountries({
-          lang: lang,
+          // Countries need to be in English regardless of incoming lang because
+          // we use the names as input for API endpoints.
+          lang: Lang.en,
           serviceToken: ctx.serviceToken,
         })