fix(medusa): Race condition in cart completion strategy (#2341)

packages/medusa/src/strategies/cart-completion.ts

@@ -328,9 +328,15 @@ class CartCompletionStrategy extends AbstractCartCompletionStrategy {
     if (err) {
       if (idempotencyKey.recovery_point !== "started") {
         await this.manager_.transaction(async (transactionManager) => {
+          try {
+            await orderService
+              .withTransaction(transactionManager)
+              .retrieveByCartId(id)
+          } catch (error) {
             await cartService
               .withTransaction(transactionManager)
               .deleteTaxLines(id)
+          }
         })
       }
       throw err