When a user creates a new order, if he does not enter any quantity and does not select one of "delivery", "pickup" or "visit", he should get an error message.
Actual Behaviour
When a user creates a new order, if he does not enter any quantity and does not select one of "delivery", "pickup" or "visit", the order is created with no order items associated to it.
Steps to reproduce
Orders / New order / choose client X / choose date / enter main dish size / Place orders / see message "order created"
Orders / choose client X / Search / click on view (eye icon) next to last order / in order details, notice that we have no order items
Expected Behaviour
Actual Behaviour
Steps to reproduce