JSONField and register_default_jsonb all json column return as str

[Петр Eлагин]

when i make select all json field as string

# Register dummy loads() to avoid a round trip from psycopg2's decode
# to json.dumps() to json.loads(), when using a custom decoder in
# JSONField.
psycopg2.extras.register_default_jsonb(conn_or_curs=connection, loads=lambda x: x)

/Users/koshak01/Virtualenvs/virtual3.9/lib/python3.9/site-packages/django/db/backends/postgresql/base.py:206

i make raw select request w/o ORM

[Mariusz Felisiak]

Duplicate of #31991.