Fixes as a result of 'end-to-end-backend' test

packages/medusa-fulfillment-manual/src/services/manual-fulfillment.js

@@ -1,6 +1,6 @@
 import { FulfillmentService } from "medusa-interfaces"
 
-class ManualFulfillmentService extends FulfillmentService { 
+class ManualFulfillmentService extends FulfillmentService {
   static identifier = "manual"
 
   constructor() {
@@ -8,9 +8,11 @@ class ManualFulfillmentService extends FulfillmentService {
   }
 
   getFulfillmentOptions() {
-    return [{
-      id: "manual-fulfillment"
-    }]
+    return [
+      {
+        id: "manual-fulfillment",
+      },
+    ]
   }
 
   validateFulfillmentData(data, cart) {
@@ -18,11 +20,7 @@ class ManualFulfillmentService extends FulfillmentService {
   }
 
   validateOption(data) {
-    if (data.id === "manual-fulfillment") {
-      return true
-    }
-
-    return false
+    return true
   }
 
   canCalculate() {