Allow stock item filtering by IPN
Allow stock item filtering by IPN

(cherry picked from commit bd9aad935594e4022299567667faeb149f6d2375)

inventree/InvenTree,inventree/InvenTree,SchrodingersGat/InvenTree,inventree/InvenTree,SchrodingersGat/InvenTree,SchrodingersGat/InvenTree,SchrodingersGat/InvenTree,inventree/InvenTree