refactor: support new index organisation

AoU-DataMgmt/src/main/java/ch/unige/aou/service/IndexingProcessingService.java

@@ -206,6 +206,7 @@ public class IndexingProcessingService extends AouService {
       publicationIndexEntry = this.getPublicationIndexEntryWithoutFulltext(publicationIndexEntry);
     }
 
+    publicationIndexEntry.setIndex(indexService.getIndexName());
     this.deleteFromIndexIfExists(indexService, publicationIndexEntry.getResId());
     indexService.save(publicationIndexEntry);
     log.info("Publication '{}' ({}) ({}) indexed in '{}' index", publication.getResId(),