Ao usar o *ngIf="(photo$ | async) as photo" passa a dar o erro abaixo ao acessar qualquer detalhe. Exemplo de link que dá erro:
"http://localhost:4200/#/p/17", "http://localhost:4200/#/p/13"
core.js:1598 ERROR DOMException: Failed to execute 'open' on 'XMLHttpRequest': Invalid URL
at http://localhost:4200/polyfills.js:5306:31
at XMLHttpRequest.proto.<computed> [as open] (http://localhost:4200/polyfills.js:3716:24)
at Observable._subscribe (http://localhost:4200/vendor.js:7738:17)
at Observable.push../node_modules/rxjs/_esm5/internal/Observable.js.Observable.subscribe (http://localhost:4200/vendor.js:67371:69)
at http://localhost:4200/vendor.js:83875:31
at subscribeToResult (http://localhost:4200/vendor.js:84058:84)
at MergeMapSubscriber.push../node_modules/rxjs/_esm5/internal/operators/mergeMap.js.MergeMapSubscriber._innerSub (http://localhost:4200/vendor.js:76846:99)
at MergeMapSubscriber.push../node_modules/rxjs/_esm5/internal/operators/mergeMap.js.MergeMapSubscriber._tryNext (http://localhost:4200/vendor.js:76843:14)
at MergeMapSubscriber.push../node_modules/rxjs/_esm5/internal/operators/mergeMap.js.MergeMapSubscriber._next (http://localhost:4200/vendor.js:76826:18)
at MergeMapSubscriber.push../node_modules/rxjs/_esm5/internal/Subscriber.js.Subscriber.next (http://localhost:4200/vendor.js:68161:18)
