OZG-5812 fix reviewed issues

alfa-client/libs/design-system/src/index.ts

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

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

...icons/exclamation-icon/exclamation-icon.component.spec.ts

.../lib/icons/exclamation-icon/exclamation-icon.component.ts

...rc/lib/icons/exclamation-icon/exclamation-icon.stories.ts

...-export-container/vorgang-export-container.component.html

...port-container/vorgang-export-container.component.spec.ts

...ient/libs/vorgang-detail/src/lib/vorgang-detail.module.ts