Throw exception on failed InsertObject identifier return

Replace default return of 0 with InsertObjectFailedException when the stored procedure does not return a valid identifier. Exception message includes serialized request for easier debugging. Added necessary imports for exception and JSON serialization.

src/ReC.Application/Common/Procedures/InsertObjectProcedure.cs

@@ -1,6 +1,8 @@
 using DigitalData.Core.Abstraction.Application.Repository;
 using MediatR;
 using Microsoft.Data.SqlClient;
+using ReC.Application.Common.Exceptions;
+using System.Text.Json;
 
 namespace ReC.Application.Common.Procedures;
 
@@ -183,6 +185,8 @@ public class InsertObjectProcedureHandler(IRepository repo) : IRequestHandler<In
             else if (long.TryParse(guidParam.Value.ToString(), out var guid))
                 return guid;
 
-        return 0;
+        throw new InsertObjectFailedException(
+            $"InsertObject stored procedure did not return a valid identifier." +
+            $"{JsonSerializer.Serialize(request, options: new() { WriteIndented = true })}");
     }
 }