feat(dashboard,core-flows,medusa): update fulfillment flows (#7589)

* fix: fulfillment ops

* fix: cancel fulfillment route

* fix: adjustInventoryLevelsStep throwing

* feat: cancel order and fix endpoint

* fix: type

* feat: order domain sdk

* feat: delete unused file

* fix: import

packages/core/core-flows/src/order/steps/cancel-fulfillment.ts

@@ -4,7 +4,7 @@ import { StepResponse, createStep } from "@medusajs/workflows-sdk"
 
 type CancelOrderFulfillmentStepInput = CancelOrderFulfillmentDTO
 
-export const cancelOrderFulfillmentStepId = "cancel-order-fullfillment"
+export const cancelOrderFulfillmentStepId = "cancel-order-fulfillment"
 export const cancelOrderFulfillmentStep = createStep(
   cancelOrderFulfillmentStepId,
   async (data: CancelOrderFulfillmentStepInput, { container }) => {

packages/core/core-flows/src/order/workflows/cancel-order-fulfillment.ts

@@ -87,11 +87,14 @@ function prepareInventoryUpdate({
   }[] = []
 
   for (const item of fulfillment.items) {
-    inventoryAdjustment.push({
-      inventory_item_id: item.inventory_item_id as string,
-      location_id: fulfillment.location_id,
-      adjustment: item.quantity,
-    })
+    // if this is `null` this means that item is from variant that has `manage_inventory` false
+    if (item.inventory_item_id) {
+      inventoryAdjustment.push({
+        inventory_item_id: item.inventory_item_id as string,
+        location_id: fulfillment.location_id,
+        adjustment: item.quantity,
+      })
+    }
   }
 
   return {