[FIX] mrp:  traceback on multiple MO deletion
[FIX] mrp:  traceback on multiple MO deletion

_log_downside_manufactured_quantity is an api.one method since it would
log the production info on the generated acitivty.
Since commit b499c3308cd036e464578045996b63cfa877aa92, an unlink will trigger an _action_cancel on
unlinked MO.
So unlink multiple MO will call _log_downside_manufactured_quantity
with multiple records and traceback.

closes odoo/odoo#42892

Task-id: 2168386
Signed-off-by: Arnold Moyaux <1b212d10e7a24dd6fb14e0bb127a40daacfa07e4@users.noreply.github.com>

ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo