fix max authorized contact number (#1766)

# Description

This PR includes the following proposed change(s):

- fix max authorized contact number

src/Spd.Resource.Repository/Org/Contract.cs

@@ -51,8 +51,8 @@ public record Org
     }
     public record OrgResult : Org
     {
-        public int MaxContacts { get; } = 6;
-        public int MaxPrimaryContacts { get; } = 2;
+        public int MaxContacts { get; set; } = 6;
+        public int MaxPrimaryContacts { get; set; } = 2;
         public string? AccessCode { get; set; }
         public string? OrganizationName { get; set; }
         public string? OrganizationLegalName { get; set; }