OZG-3560 OZG-3581 use actions for assign user to vorgang

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

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

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

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

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

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

...s/vorgang-shared/src/lib/+state/vorgang.selectors.spec.ts

...t/libs/vorgang-shared/src/lib/+state/vorgang.selectors.ts

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

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