fix: voltran prod env control

Author: akuslular

package.json

@@ -1,6 +1,6 @@
 {
   "name": "voltranjs",
-  "version": "1.2.0-beta.16",
+  "version": "1.2.0-beta.18",
   "main": "src/index.js",
   "author": "Hepsiburada Technology Team",
   "bin": {

src/render.js

@@ -84,8 +84,9 @@ const render = async (req, res) => {
         .observe(Date.now() - res.locals.startEpoch);
     } else {
       const voltranEnv = appConfig.voltranEnv || 'local';
+      const previewEnvControl = voltranEnv !== 'prod' && voltranEnv !== 'production';
 
-      if (voltranEnv !== 'prod' && isPreviewQuery) {
+      if (previewEnvControl && isPreviewQuery) {
         const requestDispatcherResponse = await renderComponent(
           new Component('/RequestDispatcher'),
           context