1) Create an account by entering any value in cardlet "Products and Services"
2) Create an account with created invoice
3) Check th ecardlet "Products and Services" (сardlet valuesare ​​equal to the values ​​in the account) in the account
4) Remove any value in the cardlet "Products and Services"
Expected result: value in the cardlet "Products and Services" is not changed
Actual result: value in the cardlet "Products and Services" is changed (it stays as in the act)