support merge models

Signed-off-by: David BRAQUART <[email protected]>

Author: dbraquart

src/main/java/org/gridsuite/studyconfig/server/service/SpreadsheetConfigService.java

@@ -178,6 +178,8 @@ public UUID createSpreadsheetConfigCollectionFromConfigs(List<UUID> configUuids)
                     return clone;
                 })
                 .toList());
+        List<String> allConfigsUniqueAliases = entity.getSpreadsheetConfigs().stream().map(SpreadsheetConfigEntity::getNodeAliases).flatMap(Collection::stream).collect(Collectors.toSet()).stream().toList();
+        entity.setNodeAliases(new ArrayList<>(allConfigsUniqueAliases));
         return spreadsheetConfigCollectionRepository.save(entity).getId();
     }