Replace users list notification recipient group with current user id

application/src/main/java/org/thingsboard/server/service/sync/ie/exporting/impl/NotificationTargetExportService.java

@@ -43,6 +43,9 @@ public class NotificationTargetExportService extends BaseEntityExportService<Not
                     CustomerUsersFilter customerUsersFilter = (CustomerUsersFilter) usersFilter;
                     customerUsersFilter.setCustomerId(getExternalIdOrElseInternal(ctx, new CustomerId(customerUsersFilter.getCustomerId())).getId());
                     break;
+                case USER_LIST:
+                    // users list stays as is and is replaced with current user id on import (due to user entities not being supported by VC)
+                    break;
             }
         }
     }

application/src/main/java/org/thingsboard/server/service/sync/ie/importing/impl/NotificationTargetImportService.java

@@ -41,7 +41,7 @@ import org.thingsboard.server.dao.service.ConstraintValidator;
 import org.thingsboard.server.queue.util.TbCoreComponent;
 import org.thingsboard.server.service.sync.vc.data.EntitiesImportCtx;
 
-import java.util.stream.Collectors;
+import java.util.List;
 
 @Service
 @TbCoreComponent
@@ -66,10 +66,7 @@ public class NotificationTargetImportService extends BaseEntityImportService<Not
                     break;
                 case USER_LIST:
                     UserListFilter userListFilter = (UserListFilter) usersFilter;
-                    userListFilter.setUsersIds(userListFilter.getUsersIds().stream()
-                            .map(UserId::new).map(idProvider::getInternalId)
-                            .map(UUIDBased::getId).collect(Collectors.toList())
-                    );
+                    userListFilter.setUsersIds(List.of(ctx.getUser().getUuidId())); // user entities are not supported by VC; replacing with current user id
                     break;
                 case TENANT_ADMINISTRATORS:
                     if (CollectionUtils.isNotEmpty(((TenantAdministratorsFilter) usersFilter).getTenantsIds()) ||