:pencil2: Removed unnecessary DEV adjustment

frontend/src/main.js

 import App from './App.vue'
 import MainNav from './components/MainNav.vue'
 
-// const DEV = import.meta.env.VITE_DEV == 'true'
-const DEV = false
+const DEV = import.meta.env.VITE_DEV == 'true'
 
 /**
  * Check between route changes for login/timeout