req: Initializes Guests property correctly

Ensures that the Guests property is correctly initialized with adult and children counts.

This change ensures correct population of guest groupings, which avoids potential errors or unexpected behavior when processing reservations.

Author: Antaris

libs/GuestLineSDK/Api/ReservationOperations.cs

@@ -224,17 +224,17 @@ public record ReservationRoom(
 	[property: JsonIgnore] int Children)
 {
 	[JsonPropertyName("GuestCount")]
-	public ReservationGuestGrouping[]? Guests => GetGroupings().ToArray();
+	public ReservationGuestGrouping[]? Guests { get; set; } = GetGroupings(Adults, Children).ToArray();
 
-	IEnumerable<ReservationGuestGrouping> GetGroupings()
+	static IEnumerable<ReservationGuestGrouping> GetGroupings(int adults, int children)
 	{
-		if (Adults > 0)
+		if (adults > 0)
 		{
-			yield return new ReservationGuestGrouping(10, Adults);
+			yield return new ReservationGuestGrouping(10, adults);
 		}
-		if (Children > 0)
+		if (children > 0)
 		{
-			yield return new ReservationGuestGrouping(8, Children);
+			yield return new ReservationGuestGrouping(8, children);
 		}
 	}
 }