Merge branch 'master' into OZG-5812-download-button-in-status-abgeschlossen

alfa-client/apps/demo/src/app/app.component.html

.../lib/button-with-spinner/button-with-spinner.component.ts

...lib/form/validation-error/validation-error.component.html

...rc/lib/form/error-message/error-message.component.spec.ts

...tem/src/lib/form/error-message/error-message.component.ts

...ystem/src/lib/form/error-message/error-message.stories.ts

...antragsteller/vorgang-detail-antragsteller.component.html

...antragsteller/vorgang-detail-antragsteller.component.scss

...ragsteller/vorgang-detail-antragsteller.component.spec.ts

...l-antragsteller/vorgang-detail-antragsteller.component.ts

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

alfa-client/libs/vorgang-shared/test/vorgang.ts