revert port

Author: jeremy-jung1

packages/template-retail-react-app/app/ssr.js

@@ -33,7 +33,7 @@ const options = {
     mobify: getConfig(),
 
     // The port that the local dev server listens on
-    port: 4000,
+    port: 3000,
 
     // The protocol on which the development Express app listens.
     // Note that http://localhost is treated as a secure context for development,

packages/test-commerce-sdk-react/app/ssr.js

@@ -17,7 +17,7 @@ const options = {
     defaultCacheTimeSeconds: 600,
 
     // The port that the local dev server listens on
-    port: 4000,
+    port: 3000,
 
     // The protocol on which the development Express app listens.
     // Note that http://localhost is treated as a secure context for development,