When Importing from json use the given name on the DMP

dmp-backend/web/src/main/java/eu/eudat/logic/managers/DataManagementPlanManager.java

@@ -1336,6 +1336,7 @@ public class DataManagementPlanManager {
         List<DMP> result = new ArrayList<>();
         for (MultipartFile file: files) {
             DMP dmp = rdaManager.convertToEntity(new String(file.getBytes(), "UTF-8"));
+            dmp.setLabel(file.getOriginalFilename());
             UserInfo me = apiContext.getOperationsContext().getDatabaseRepository().getUserInfoDao().find(principal.getId());
             dmp.setModified(new Date());
             dmp.setCreator(me);