So if anyone else has this issue I was able to figure it out. I was in the wrong function. getQuoteShippingAddressesItems(). Located in ...
Magento 2 Order Split & Merge allows admin to split and merge orders. With help of
otherwise you have to each default magento feature multiple shipping feature. Also you have to manage Order, Shipment, Invoice etc. item wise back-end as well ...
stop multishipping from splitting orders in magento.
My best guest is that the logic behind this is they need rounded quantities to split up the order. Check the class Mage_Checkout_Model_Type_Multishipping ...
Marketplace Split Order for Magento 2 : With the help of Marketplace Split Order for Magento2, separate order ids will be generated at the back-end if there are ...
in order to do that you will have to create a new end point for that.
Order and Split Order for multiple vendors; Supports Vendor Multi Shipping and ...
You can see right at the top is where Magento is grabbing the shipping origin
Split Shipment extension splits an order into different shipments according to the number of items in an order.