chore(medusa, core-flows): receive item return request (#8172)

What:
* `POST /admin/returns/:id/receive-items`
* `POST /admin/returns/:id/receive-items/:action_id`
* `DELETE /admin/returns/:id/receive-items/:action_id`
* `POST /admin/returns/:id/dismiss-items`
* `POST /admin/returns/:id/dismiss-items/:action_id`
* `DELETE /admin/returns/:id/dismiss-items/:action_id`
* `POST /admin/returns/:id/receive/confirm`

CLOSES: CC-190, CC-191, CC-192, CC-193, CC-195, CC-196, CC-197

* Inventory management isn't included yet. Will add it in a next PR

packages/core/utils/src/totals/__tests__/totals.ts

@@ -647,7 +647,7 @@ describe("Total calculation", function () {
             return_requested_quantity: 0,
             return_received_quantity: 1,
             return_dismissed_quantity: 1,
-            written_off_quantity: 0,
+            written_off_quantity: 1,
           },
           tax_lines: [
             {
@@ -690,7 +690,7 @@ describe("Total calculation", function () {
             return_received_quantity: 1,
             return_requested_quantity: 0,
             shipped_quantity: 2,
-            written_off_quantity: 0,
+            written_off_quantity: 1,
           },
           subtotal: 100,
           total: 88,
@@ -704,7 +704,7 @@ describe("Total calculation", function () {
           return_requested_total: 0,
           return_received_total: 44,
           return_dismissed_total: 44,
-          write_off_total: 0,
+          write_off_total: 44,
           refundable_total: 0,
           refundable_total_per_unit: 0,
         },
@@ -727,7 +727,7 @@ describe("Total calculation", function () {
       return_requested_total: 0,
       return_received_total: 44,
       return_dismissed_total: 44,
-      write_off_total: 0,
+      write_off_total: 44,
     })
   })
 })