desc sort order when merge list (#27190)

* #25729 adding test and removing unnecessary sort

* #25729 adding desc order to list

* #25729 feedback

* #25729 adding final

---------

Co-authored-by: erickgonzalez <erick.gonzalez@dotcms.com>

dotCMS/src/main/java/com/dotmarketing/portlets/workflows/business/WorkflowAPIImpl.java

@@ -4026,7 +4026,11 @@ public List<WorkflowTimelineItem> getCommentsAndChangeHistory(final WorkflowTask
 				CollectionsUtils.join(this.findWorkFlowComments(task),
 						this.findWorkflowHistory (task));
 
-	    return workflowTimelineItems.stream().collect(CollectionsUtils.toImmutableList());
+		final Comparator<WorkflowTimelineItem> comparator = Comparator.comparing(WorkflowTimelineItem::createdDate).reversed();
+		return workflowTimelineItems.stream()
+				.sorted(comparator)
+				.collect(CollectionsUtils.toImmutableList());
+
 	}