fix(types,order,medusa): Create credit lines + hooks (#11569)

what:

- api/workflows to create credit lines
- hooks to enable extending credit lines

integration-tests/modules/__tests__/cart/store/carts.spec.ts

@@ -1389,9 +1389,7 @@ medusaIntegrationTestRunner({
           const paymentCollection = (
             await api.post(
               `/store/payment-collections`,
-              {
-                cart_id: cart.id,
-              },
+              { cart_id: cart.id },
               storeHeaders
             )
           ).data.payment_collection

integration-tests/modules/__tests__/order/order.spec.ts

@@ -492,6 +492,10 @@ medusaIntegrationTestRunner({
               },
             }),
           ],
+          credit_lines: [],
+          credit_line_subtotal: 0,
+          credit_line_tax_total: 0,
+          credit_line_total: 0,
         })
       })
     })