Swiching from sorting type does not reset the aggregation of results, showing...

Swiching from sorting type does not reset the aggregation of results, showing bad value due to the switch between order by date for an empty research and by pertinence for others.

src/app/datasets/services/dataset-research.service.ts

@@ -526,7 +526,6 @@ export class DatasetResearchService {
   }
 
   sortChanged(option: ISortOption) {
-    this._elasticsearchOptions.shouldAggregateResultCount = false;
     this._elasticsearchOptions.sortOptions = option;
 
     this._researchUrlService.setSortParameter(option);