The `stock.move:_action_done()` already reserve the next mto moves at validation. Calling the reservation method after the validation again may lead to unwanted results like calling `check_entire_pack()` and messed up the result_package_id on the stock move lines. Task : 3764822 closes odoo/odoo#161445 X-original-commit: 2551f735e24eb2549264b0a70b814be8d3c52922 Signed-off-by: Arnold Moyaux (arm) <arm@odoo.com> Signed-off-by: William Henrotin (whe) <whe@odoo.com>