Before this patch, validating an unreserved move of a dozen while 12 units were reserved resulted in a quant with 0 unit as quantity and 11 units as reserved quantity. closes odoo/odoo#45132 X-original-commit: bf7d76a7127521ba17f29bc470c3d551cc9988d5 Signed-off-by: Simon Lejeune (sle) <sle@openerp.com>