OZG-7707 replace more icons

alfa-client/apps/demo/src/app/app.component.spec.ts

...einheit-list/organisations-einheit-list.component.spec.ts

...er-form/user-form-roles/user-form-roles.component.spec.ts

...ib/form/checkbox-editor/checkbox-editor.component.spec.ts

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

...src/lib/forwarding-item/forwarding-item.component.spec.ts

...stem/src/lib/forwarding-item/forwarding-item.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

...rward-vorgang-icon/forward-vorgang-icon.component.spec.ts

...ns/forward-vorgang-icon/forward-vorgang-icon.component.ts

...cons/forward-vorgang-icon/forward-vorgang-icon.stories.ts

...ign-system/src/lib/icons/user-icon/user-icon.component.ts

...tton-container/forwarding-button-container.component.html

...n-container/forwarding-button-container.component.spec.ts

...button-container/forwarding-button-container.component.ts

...dialog/forwarding-button/forwarding-button.component.html