fix(utils,core-flows): subtotal calculation and returns location (#13497)

* fix(utils,core-flows): subtotal calculation and returns location

* changeset

* fix test

* var

* rm extra field from test

* fix original total

* fix partial refunds and pending difference

* fix test

* fix test

* test

* extract to util

* original total and update payment when receive return

* original_subtotal

* default fields

* test

* calculate pending difference

* revert claims test

* pending difference

* creadit line fix

* if

packages/modules/order/src/services/order-module-service.ts

@@ -358,6 +358,7 @@ export default class OrderModuleService
       "discount_tax_total",
       "original_total",
       "original_tax_total",
+      "pending_difference",
       "item_total",
       "item_subtotal",
       "item_tax_total",
@@ -370,9 +371,13 @@ export default class OrderModuleService
       "original_shipping_tax_total",
       "original_shipping_subtotal",
       "original_shipping_total",
+      "original_total",
+      "original_subtotal",
+      "original_tax_total",
       "credit_line_total",
       "credit_line_tax_total",
       "credit_line_subtotal",
+      "refundable_amount",
     ]
 
     const includeTotals = (config?.select ?? []).some((field) =>