implicit flow doesn't emit RequestEvent::ACCESS_TOKEN_ISSUED

[saulsluz]

Is there any reason why the implicit flow doesn't emit RequestEvent::ACCESS_TOKEN_ISSUED when it issues a new token?

[hafezdivandari]

Seems to be a bug, you may refer to #1467

[Sephster]

Looks like it was just an omission from the original PR that added this. Thanks for the PR @hafezdivandari