e2e cleanup

.../apps/alfa-e2e/src/e2e/main-tests/historie/historie.cy.ts

...s/alfa-e2e/src/e2e/main-tests/navigation/navigation.cy.ts

...rc/e2e/main-tests/postfach-mail/postfach-mail-error.cy.ts

...-tests/vorgang-detailansicht/vorgang-zurueckstellen.cy.ts

.../src/e2e/main-tests/vorgang-list/vorgang-list-pages.cy.ts

...2e/main-tests/vorgang-list/vorgang-list-views-pages.cy.ts

...src/e2e/main-tests/vorgang-list/vorgang-list.search.cy.ts

...ests/vorgang-list/vorgang-view-wiedervorlagen.pages.cy.ts

...rc/e2e/main-tests/vorgang-list/vorgang-views-filter.cy.ts

alfa-client/apps/alfa-e2e/src/support/command-util.ts

alfa-client/apps/alfa-e2e/src/support/kommentar.util.ts

alfa-client/apps/alfa-e2e/src/support/user-util.ts

alfa-client/apps/alfa-e2e/src/support/wiedervorlage-util.ts