Do not return to stock
There is an override setting in Edit Order that will cause all of the line items in your original order to not be returned to stock upon editing. This will stop an out-of-stock product from temporarily appearing as in stock on your store, which in some cases may trigger a notification email for customers waiting to purchase that item.
To use this override when editing an order, scroll down to the “Override Default Settings” section toward the bottom of the editing screen, and check the box next to “Do not return to stock”:
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