Merge branch 'master' into OZG-4528-show-firmaname

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

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

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

...lib/icons/exclamate-icon/exclamate-icon.component.spec.ts

.../src/lib/icons/exclamate-icon/exclamate-icon.component.ts

...em/src/lib/icons/exclamate-icon/exclamate-icon.stories.ts

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