web: add check compile test to prevent compile errors/warnings

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

web/src/admin/outposts/OutpostListPage.ts

@@ -33,6 +33,8 @@ export function TypeToLabel(type?: OutpostTypeEnum): string {
             return t`Proxy`;
         case OutpostTypeEnum.Ldap:
             return t`LDAP`;
+        case OutpostTypeEnum.UnknownDefaultOpenApi:
+            return t`Unknown type`;
     }
 }