PLT-6987 User access token UI (#7007)

* Add user access token UI

* Fix enter press and update mattermost-redux

* Updating UI for access token stuff (#7066)

* Revert segment key

app/authorization.go

@@ -48,7 +48,7 @@ func SessionHasPermissionToChannel(session model.Session, channelId string, perm
 	}
 
 	channel, err := GetChannel(channelId)
-	if err == nil {
+	if err == nil && channel.TeamId != "" {
 		return SessionHasPermissionToTeam(session, channel.TeamId, permission)
 	}