OZG-7707 replace more icons

alfa-client/apps/demo/src/app/app.component.html

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

...rm/bescheid-wizard-bescheid-versenden-form.component.html

...bescheid-wizard-bescheid-versenden-form.component.spec.ts

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

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

...src/lib/download-button/download-button.component.spec.ts

...nent/src/lib/download-button/download-button.component.ts

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

...em/src/lib/attachment-header/attachment-header.stories.ts

.../src/lib/attachment-wrapper/attachment-wrapper.stories.ts

...lient/libs/design-system/src/lib/button/button.stories.ts

.../lib/dropdown-menu/dropdown-menu/dropdown-menu.stories.ts

...c/lib/form/radio-button-card/radio-button-card.stories.ts

...tion-icon/request-vorgang-deletion-icon.component.spec.ts

...-deletion-icon/request-vorgang-deletion-icon.component.ts

...ng-deletion-icon/request-vorgang-deletion-icon.stories.ts

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

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

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