Revert "fix: resolve all ESLint errors in backend and frontend"

This reverts commit 07dfd7e840.

paperless-frontend/src/pages/SettingsPage.tsx

@@ -441,10 +441,9 @@ function DocTypeFieldsTable({ docTypeId }: { docTypeId: number }) {
       case 1: return <Tag>Absender</Tag>;
       case 2: return <Tag>Belegdatum</Tag>;
       case 3: return <Tag>Ablagenummer</Tag>;
-      case 4: {
+      case 4:
         const cf = customFields.find(c => c.id === record.TypeIndex);
         return <Tag color="blue">{cf ? cf.name : `CF #${record.TypeIndex}`}</Tag>;
-      }
       case 5: return <Tag>Titel</Tag>;
       default: return <Tag>Unbekannt ({record.Type})</Tag>;
     }