Merge branch 'DOS0096670' into 'master'

Swiching from different sorting types does not reset the aggregation of results.

See merge request !123

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);