changed default sort options

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

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

...age/search-filters/search-filter/search-filter.service.ts

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

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

src/app/core/cache/models/sort-options.model.ts

src/app/shared/pagination/pagination.component.spec.ts