OZG-359 fix e2e tests; fix resource loading

...lient/libs/command-shared/src/lib/command.service.spec.ts

goofy-client/libs/command-shared/src/lib/command.service.ts

...ibs/ui/src/lib/interceptor/http-error.interceptor.spec.ts

...ent/libs/ui/src/lib/interceptor/http-error.interceptor.ts

...-client/libs/ui/src/lib/snackbar/snackbar.service.spec.ts

goofy-client/libs/ui/src/lib/snackbar/snackbar.service.ts

...bs/vorgang-shared/src/lib/vorgang-command.service.spec.ts

...nt/libs/vorgang-shared/src/lib/vorgang-command.service.ts

...lient/libs/vorgang-shared/src/lib/vorgang.service.spec.ts

goofy-client/libs/vorgang-shared/src/lib/vorgang.service.ts

...-create-button/wiedervorlage-create-button.component.html