
Everything seems to be correct.
Make sure use gpupdate /force command on the client.
Make sure Microsoft Edge and Windows are update.
You may submit a feedback to the Microsoft Edge team, take a look at:
https://answers.microsoft.com/en-us/microsoftedge/forum/all/how-to-report-a-feedbackbug-to-microsoft-edges/20cc8eb5-11bb-43b6-95d1-e004d41ef876