[ADF-2846] new facets (#3251)

* schema and configuration improvements

* check list search widget

* "Clear all" button to reset the list

* page size and "show more" for response facet fields

* test fixes

* fix tests

* fix pagination bug (skipCount reseting)

* integrate date range picker from #3248

* i18n support for date and number range

* some docs for search filter

* docs update

* docs update

* cleanup code as per review

lib/content-services/search/response-facet-field.interface.ts

@@ -20,6 +20,11 @@ import { FacetFieldBucket } from './facet-field-bucket.interface';
 export interface ResponseFacetField {
     label: string;
     buckets: Array<FacetFieldBucket>;
+    pageSize?: number;
+    currentPageSize?: number;
+    expanded?: boolean;
 
-    $expanded?: boolean;
+    hasMoreItems(): boolean;
+    showMoreItems(): void;
+    getVisibleBuckets(): Array<FacetFieldBucket>;
 }