Merged in bugfix/HOR-3670-RG (pull request #5917)

HOR-3670-RG Files review:

Approved-by: Julio Cesar Laura Avendaño <contact@julio-laura.com>

workflow/engine/classes/WsBase.php

@@ -322,7 +322,7 @@ class WsBase
                     );
 
                     //Use search index to return list of cases
-                    $searchIndex = new BpmnEngine_Services_SearchIndex($appSolr->isSolrEnabled(), $solrEnv["solr_host"]);
+                    $searchIndex = new BpmnEngineServicesSearchIndex($appSolr->isSolrEnabled(), $solrEnv["solr_host"]);
 
                     //Execute query
                     $solrQueryResult = $searchIndex->getDataTablePaginatedList($solrRequestData);