Correct behavior of Initiate login URI ( implicit/callback )
Okta will redirect users to the Initiate Login URI for your app if 1) your app is set to use the “OIDC Compliant” Login flow, 2) the user launches your application in their end-user dashboard (you would need to update your app to be visible to users), or 3) user is redirected to Okta via the App Embed Link What you are seeing is expected behavior: when the user clicks on that dashboard ...
Source: devforum.okta.com