Unable to Ship Products with "Manage Stock" Set to "No" in combination with "Manage Stock" Set to "Yes" in one order in MSI

[simonmaass]

Issue Summary:
When placing an order that includes both a product managed by warehouse quantity and a product with the "Manage Stock" setting set to "No", I am unable to ship the latter product. An error message is displayed: "Qty of [SKU] should be less or equal to 0".

Steps to Reproduce:

1. Create a product in Magento with "Manage Stock" set to "No".
2. Create another product with "Manage Stock" set to "Yes" and manage its quantity via warehouse.
3. Place an order that includes one of each of these products.
4. Attempt to create a shipment for the order.

Expected Result:
The shipment should be created successfully, and both products should be marked as shipped.

Actual Result:
The following error message is displayed: "Qty of [SKU] should be less or equal to 0". The product with "Manage Stock" set to "No" cannot be shipped.

Additional Information:

• Magento version: 2.4.6-p5
• MSI Module version: 1.2.6-p5
• PHP version: 8.2

Possible Workaround:
Currently, there is no known workaround for this issue.

Screenshots:

[m2-assistant]

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