Merge branch 'OZG-8129-replace-mat-icon' into 'main'

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

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

alfa-client/apps/alfa/src/styles/material/_snackbar.scss

...cheid-wizard-abschliessen-dialog-container.component.html

...id-wizard-abschliessen-dialog-container.component.spec.ts

alfa-client/libs/design-system/src/assets/aktenzeichen.svg

alfa-client/libs/design-system/src/assets/error-white.svg

alfa-client/libs/design-system/src/assets/incoming.svg

alfa-client/libs/design-system/src/assets/logo.svg

alfa-client/libs/design-system/src/assets/minimize.svg

alfa-client/libs/design-system/src/assets/nummer.svg

...nt/libs/design-system/src/assets/paste-from-clipboard.svg

alfa-client/libs/design-system/src/assets/pdf-export.svg

...nt/libs/design-system/src/assets/resubmission-expired.svg

...er/endgueltig-loeschen-button-container.component.spec.ts

...ntainer/endgueltig-loeschen-button-container.component.ts

...er/outgoing-mail-error/outgoing-mail-error.component.html

...er/outgoing-mail-error/outgoing-mail-error.component.scss

...outgoing-mail-error/outgoing-mail-error.component.spec.ts

...h-mail-pdf-button/postfach-mail-pdf-button.component.html