Merge branch 'us-473-seach-url' into development

...ts/filter-list/filter-detail/filter-detail.component.html

...ents/filter-list/filter-detail/filter-detail.component.ts

src/app/datasets/components/results/results.component.ts

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

src/app/datasets/services/index.ts

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

src/app/elasticsearch/models/elasticsearch-options.model.ts

src/app/elasticsearch/models/filter.model.ts

src/app/elasticsearch/services/elasticsearch.service.ts

src/app/shared/variables.ts