[FIX] computation of lots already at customer location
[FIX] computation of lots already at customer location

VitalPet/c2c-rd-addons,camptocamp/c2c-rd-addons,Endika/c2c-rd-addons,VitalPet/c2c-rd-addons,Endika/c2c-rd-addons,Antiun/c2c-rd-addons,VitalPet/c2c-rd-addons,camptocamp/c2c-rd-addons,camptocamp/c2c-rd-addons,Antiun/c2c-rd-addons,Antiun/c2c-rd-addons,Endika/c2c-rd-addons