chore: add to TSDocs note about removing item from order edit (medusajs#12997)

Author: shahednasser

packages/core/core-flows/src/order/workflows/order-edit/order-edit-update-item-quantity.ts

@@ -79,6 +79,8 @@ export const orderEditUpdateItemQuantityWorkflowId =
  * This workflow updates the quantity of an existing item in an order's edit. It's used by the
  * [Update Order Item Quantity Admin API Route](https://docs.medusajs.com/api/admin#order-edits_postordereditsiditemsitemitem_id).
  * 
+ * You can also use this workflow to remove an item from an order by setting its quantity to `0`.
+ * 
  * You can use this workflow within your customizations or your own custom workflows, allowing you to update the quantity of an existing 
  * item in an order's edit in your custom flow.
  * 
@@ -98,7 +100,7 @@ export const orderEditUpdateItemQuantityWorkflowId =
  * 
  * @summary
  * 
- * Update the quantity of an existing order item in the order's edit.
+ * Update or remove an existing order item's quantity in the order's edit.
  */
 export const orderEditUpdateItemQuantityWorkflow = createWorkflow(
   orderEditUpdateItemQuantityWorkflowId,

packages/core/js-sdk/src/admin/order-edit.ts

@@ -188,6 +188,8 @@ export class OrderEdit {
    * [Update Item Quantity](https://docs.medusajs.com/api/admin#order-edits_postordereditsiditemsitemitem_id)
    * API route.
    * 
+   * You can also use this method to remove an item from an order by setting the `quantity` to `0`.
+   * 
    * @param id - The order edit's ID.
    * @param itemId - The item's ID in the order.
    * @param body - The data to edit in the item.