OZG-7773 CR Anmerkungen

...ystem/src/lib/icons/mail-icon/mail-icon.component.spec.ts

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

...esign-system/src/lib/icons/mail-icon/mail-icon.stories.ts

...ner/postfach-mail-list/mail-icon/mail-icon.component.html

.../postfach-mail-list/mail-icon/mail-icon.component.spec.ts

...ainer/postfach-mail-list/mail-icon/mail-icon.component.ts

...iner/postfach-mail-list/postfach-mail-list.component.html

...r/postfach-mail-list/postfach-mail-list.component.spec.ts

alfa-client/libs/postfach/src/lib/postfach.module.ts