OZG-7707 replace more icons

...user-menu/user-profile-button-container.component.spec.ts

...client/libs/collaboration/src/lib/collaboration.module.ts

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

...-menu-link-item/dropdown-menu-link-item.component.spec.ts

...pdown-menu-link-item/dropdown-menu-link-item.component.ts

...m/src/lib/icons/office-icon/office-icon.component.spec.ts

...system/src/lib/icons/office-icon/office-icon.component.ts

...n-system/src/lib/icons/office-icon/office-icon.stories.ts

...lib/icons/open-link-icon/open-link-icon.component.spec.ts

.../src/lib/icons/open-link-icon/open-link-icon.component.ts

...em/src/lib/icons/open-link-icon/open-link-icon.stories.ts

...ibs/design-system/src/lib/navbar/navbar/navbar.stories.ts

...s/zustaendige-stelle/src/lib/zustaendige-stelle.module.ts