After login to the portal and click on the back button shows the login page again

[kjayaraman-mandiant]

Steps Followed to Reproduce the issue

Online demo: https://adminlte-angular.erdkse.com/

To login website use:

username: admin@example.com
password: admin

Click on the back button in the browser . End user able to see the login screen .

Expected Behavior

We shouldn't show the login page if the we already logged into the portal

[erdkse]

that should be fixed, could you please verify? @kjayaraman-mandiant