Fix searchMeta breaking changes with server v3.1

src/app/search/components/result/datatable.component.html

src/app/search/components/result/datatable.component.ts

src/app/search/components/result/url-display.component.ts

src/app/search/containers/result.component.html

src/app/search/containers/result.component.ts

src/app/search/store/model/index.ts

src/app/search/store/model/search-meta.model.ts

src/app/search/store/search.action.ts

src/app/search/store/search.effects.ts

src/app/search/store/search.reducer.ts

src/app/search/store/search.selector.ts

src/app/search/store/search.service.ts