fix: align placeholder handling for all hotel images in zod

types/hotel.ts

@@ -1,19 +1,19 @@
-import { z } from "zod"
+import type { z } from "zod"
 
-import {
+import type {
   checkinSchema,
   facilitySchema,
   getHotelDataSchema,
   parkingSchema,
   pointOfInterestSchema,
 } from "@/server/routers/hotels/output"
-import { imageSchema } from "@/server/routers/hotels/schemas/image"
-import {
+import type { imageSchema } from "@/server/routers/hotels/schemas/image"
+import type {
   restaurantDaySchema,
   restaurantOpeningHoursSchema,
   restaurantSchema,
 } from "@/server/routers/hotels/schemas/restaurants"
-import { roomSchema } from "@/server/routers/hotels/schemas/room"
+import type { roomSchema } from "@/server/routers/hotels/schemas/room"
 
 export type HotelData = z.output<typeof getHotelDataSchema>