54348: scope dropdown

...evel-community-list/top-level-community-list.component.ts

src/app/+search-page/search-page.component.html

src/app/+search-page/search-page.component.ts

src/app/+search-page/search-service/search.service.ts

src/app/core/cache/models/normalized-community.model.ts

src/app/core/data/community-data.service.ts

src/app/core/shared/community.model.ts