feat(core-flows): cart complete shipping validate (#10984)

**What**
- validate that there is a shipping method if any of the line items have requires_shipping=true
- validate that products shipping profile is supported by a shipping method on the cart
- update tests

---

CLOSES CMRC-683

integration-tests/http/__tests__/order/admin/order.spec.ts

@@ -798,7 +798,7 @@ medusaIntegrationTestRunner({
           ],
           stockChannelOverride,
           inventoryItemOverride,
-          shippingProfileOverride: shippingProfile,
+          shippingProfileOverride: [shippingProfile, shippingProfileOverride],
         })
         order = seeder.order
         order = (await api.get(`/admin/orders/${order.id}`, adminHeaders)).data
@@ -932,6 +932,7 @@ medusaIntegrationTestRunner({
           .post(
             `/admin/orders/${order.id}/fulfillments`,
             {
+              shipping_option_id: seeder.shippingOption.id, // shipping option with the "regular" shipping profile
               location_id: stockChannelOverride.id,
               items: [{ id: orderItemId, quantity: 1 }],
             },
@@ -946,6 +947,9 @@ medusaIntegrationTestRunner({
       })
 
       it("should only create fulfillments grouped by shipping requirement", async () => {
+        const item1Id = order.items.find((i) => i.requires_shipping).id
+        const item2Id = order.items.find((i) => !i.requires_shipping).id
+
         const {
           response: { data },
         } = await api
@@ -955,11 +959,11 @@ medusaIntegrationTestRunner({
               location_id: seeder.stockLocation.id,
               items: [
                 {
-                  id: order.items[0].id,
+                  id: item1Id,
                   quantity: 1,
                 },
                 {
-                  id: order.items[1].id,
+                  id: item2Id,
                   quantity: 1,
                 },
               ],
@@ -979,7 +983,7 @@ medusaIntegrationTestRunner({
           `/admin/orders/${order.id}/fulfillments?fields=+fulfillments.id,fulfillments.requires_shipping`,
           {
             location_id: seeder.stockLocation.id,
-            items: [{ id: order.items[0].id, quantity: 1 }],
+            items: [{ id: item1Id, quantity: 1 }],
           },
           adminHeaders
         )
@@ -992,7 +996,7 @@ medusaIntegrationTestRunner({
           `/admin/orders/${order.id}/fulfillments?fields=+fulfillments.id,fulfillments.requires_shipping`,
           {
             location_id: seeder.stockLocation.id,
-            items: [{ id: order.items[1].id, quantity: 1 }],
+            items: [{ id: item2Id, quantity: 1 }],
           },
           adminHeaders
         )