Proper interceptor check

Author: bahusoid

src/NHibernate/Async/Engine/ForeignKeys.cs

@@ -187,15 +187,15 @@ public static async Task<bool> IsNotTransientSlowAsync(string entityName, object
 				}
 
 				// let the interceptor inspect the instance to decide
-				if (session.Interceptor.IsTransient(entity) == true)
-					return Task.FromResult<bool?>(true);
+				if (session.Interceptor.IsTransient(entity) is bool transient)
+					return Task.FromResult<bool?>(transient);
 
 				if (entity is INHibernateProxy proxy && proxy.HibernateLazyInitializer.IsUninitialized)
 				{
 					return Task.FromResult<bool?>(false);
 				}
 
-				// let the persister inspect the instance to decide	
+				// let the persister inspect the instance to decide
 				return session.GetEntityPersister(entityName, entity).IsTransientAsync(entity, session, cancellationToken);
 			}
 			catch (System.Exception ex)

src/NHibernate/Engine/ForeignKeys.cs

@@ -179,15 +179,15 @@ public static bool IsNotTransientSlow(string entityName, object entity, ISession
 			}
 
 			// let the interceptor inspect the instance to decide
-			if (session.Interceptor.IsTransient(entity) == true)
-				return true;
+			if (session.Interceptor.IsTransient(entity) is bool transient)
+				return transient;
 
 			if (entity is INHibernateProxy proxy && proxy.HibernateLazyInitializer.IsUninitialized)
 			{
 				return false;
 			}
 
-			// let the persister inspect the instance to decide	
+			// let the persister inspect the instance to decide
 			return session.GetEntityPersister(entityName, entity).IsTransient(entity, session);
 		}