fix: Use name instead of id

It is preferable to sort the Name field because it is a field known to the user, who can therefore visualize the sorting logic.The name is indexed in the flow table, so it has no impact on performance.

Author: cap-ang

src/main/java/it/gov/pagopa/fdr/repository/FlowRepository.java

@@ -258,8 +258,8 @@ public RepositoryPagedResult<FlowEntity> findLatestPublishedByOrganizationIdAndO
     String queryString = String.join(AND, queryBuilder);
 
     Page page = Page.of(pageNumber - 1, pageSize);
-    // Sorting by ID ensures that the sorting is deterministic in cases where multiple records have the same date.
-    Sort sort = getSort(SortField.of("date", Direction.Ascending), SortField.of("id", Direction.Ascending));
+    // Sorting by name ensures that the sorting is deterministic in cases where multiple records have the same date.
+    Sort sort = getSort(SortField.of("date", Direction.Ascending), SortField.of("name", Direction.Ascending));
 
     PanacheQuery<FlowEntity> resultPage =
         FlowEntity.findPageByQuery(queryString, sort, parameters).page(page);