refactor(server): rename PORT to NODE_PORT (#10193)

Updated the environment variable name from PORT to NODE_PORT for more
clarity and alignment with node server conventions. Adjusted references
in configuration and application bootstrap accordingly.

Fix #10017

packages/twenty-server/src/main.ts

@@ -87,7 +87,7 @@ const bootstrap = async () => {
   // Inject the server url in the frontend page
   generateFrontConfig();
 
-  await app.listen(environmentService.get('PORT'));
+  await app.listen(environmentService.get('NODE_PORT'));
 };
 
 bootstrap();