BUG #17227: segmentation fault with jsonb_to_recordset

The following bug has been logged on the website:

Bug reference:      17227
Logged by:          Bernd Dorn
Email address:      bernddorn@gmail.com
PostgreSQL version: 14.0
Operating system:   docker postgres:14 on osx
Description:

to reproduce :

```
docker run --name pg -p 5432:5432 --rm -e POSTGRES_PASSWORD=pw postgres:14
docker exec -ti pg psql --user postgres
```
run this query:
```
select *
from (
         select jsonb_path_query_array(module -> 'lectures', '$[*]') as
lecture
         from unnest(
             array[$${
               "lectures": [
                 {
                   "id": "1"
                 }
               ]
             }$$::jsonb]) as unnested_modules(module)
     ) as l,
     jsonb_to_recordset(l.lecture) as (id text)
limit 1;
```

output in logs:

```
2021-10-13 09:07:58.073 UTC [1] LOG:  server process (PID 83) was terminated
by signal 11: Segmentation fault
2021-10-13 09:07:58.073 UTC [1] DETAIL:  Failed process was running: select
*
    from (
             select jsonb_path_query_array(module -> 'lectures', '$[*]') as
lecture
             from unnest(
                 array[$${
                   "lectures": [
                     {
                       "id": "1"
                     }
                   ]
                 }$$::jsonb]) as unnested_modules(module)
         ) as l,
         jsonb_to_recordset(l.lecture) as (id text)
    limit 1;
2021-10-13 09:07:58.073 UTC [1] LOG:  terminating any other active server
processes
2021-10-13 09:07:58.074 UTC [84] FATAL:  the database system is in recovery
mode
2021-10-13 09:07:58.076 UTC [1] LOG:  all server processes terminated;
reinitializing
2021-10-13 09:07:58.089 UTC [85] LOG:  database system was interrupted; last
known up at 2021-10-13 09:07:34 UTC
2021-10-13 09:07:58.180 UTC [85] LOG:  database system was not properly shut
down; automatic recovery in progress
2021-10-13 09:07:58.182 UTC [85] LOG:  redo starts at 0/16FAB48
2021-10-13 09:07:58.182 UTC [85] LOG:  invalid record length at 0/16FAB80:
wanted 24, got 0
2021-10-13 09:07:58.182 UTC [85] LOG:  redo done at 0/16FAB48 system usage:
CPU: user: 0.00 s, system: 0.00 s, elapsed: 0.00 s
2021-10-13 09:07:58.192 UTC [1] LOG:  database system is ready to accept
connections
```