Store info if output list is empty

.../search/components/output/output-by-category.component.ts

.../search/components/output/output-by-family.component.html

...pp/search/components/output/output-by-family.component.ts

src/app/search/components/output/output-tabs.component.html

src/app/search/components/output/output-tabs.component.ts

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

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

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

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

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