OZG-4248 code improvement

...erung-shared/src/lib/+state/loesch-anforderung.actions.ts

...-shared/src/lib/+state/loesch-anforderung.effects.spec.ts

...erung-shared/src/lib/+state/loesch-anforderung.effects.ts

...rderung-shared/src/lib/loesch-anforderung.service.spec.ts

...-anforderung-shared/src/lib/loesch-anforderung.service.ts

...ent/libs/vorgang-shared/src/lib/+state/vorgang.actions.ts

...ibs/vorgang-shared/src/lib/+state/vorgang.effects.spec.ts

...ent/libs/vorgang-shared/src/lib/+state/vorgang.effects.ts

...libs/vorgang-shared/src/lib/+state/vorgang.facade.spec.ts

...ient/libs/vorgang-shared/src/lib/+state/vorgang.facade.ts

.../libs/vorgang-shared/src/lib/+state/vorgang.repository.ts

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

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

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