fix user update role and department

internal/transformer/user_transformer.go

@@ -25,9 +25,11 @@ func UpdateUserEntity(existing *entities.User, req *contract.UpdateUserRequest)
 	if req.Name != nil {
 		existing.Name = *req.Name
 	}
+
 	if req.Email != nil {
 		existing.Email = *req.Email
 	}
+	
 	if req.IsActive != nil {
 		existing.IsActive = *req.IsActive
 	}