[ADF-5410] code fixes and updates prior to Angular 12 upgrade (#7177)

* package fixes

* upgrade stylelint config

* upgrade configuration and stats

* code fixes based on Angular upgrade

* rework scss-bundle usage

* use node 14 with travis (lts)

* fix production builds

* fix node sass version

lib/content-services/src/lib/search/components/search-form/search-form.component.ts

@@ -23,7 +23,6 @@ import { SEARCH_QUERY_SERVICE_TOKEN } from '../../search-query-service.token';
 @Component({
   selector: 'adf-search-form',
   templateUrl: './search-form.component.html',
-  styleUrls: ['./search-form.component.scss'],
   encapsulation: ViewEncapsulation.None
 })
 export class SearchFormComponent {