fix: handle no children

components/HotelReservation/SelectRate/HotelInfoCard/NoRoomsAlert.tsx

@@ -17,7 +17,7 @@ type Props = {
   hotelId: number
   lang: Lang
   adultCount: number
-  childArray: Child[]
+  childArray?: Child[]
   fromDate: Date
   toDate: Date
 }
@@ -36,7 +36,7 @@ export async function NoRoomsAlert({
       roomStayStartDate: dt(fromDate).format("YYYY-MM-DD"),
       roomStayEndDate: dt(toDate).format("YYYY-MM-DD"),
       adults: adultCount,
-      children: generateChildrenString(childArray), // TODO: Handle multiple rooms,
+      children: childArray ? generateChildrenString(childArray) : undefined, // TODO: Handle multiple rooms,
     })
   )
 

components/HotelReservation/SelectRate/HotelInfoCard/index.tsx

@@ -27,7 +27,7 @@ type Props = {
   fromDate: Date
   toDate: Date
   adultCount: number
-  childArray: Child[]
+  childArray?: Child[]
 }
 
 export default async function HotelInfoCard({