Ok, you’re using the correct one. Sorry about that.
OneSignal Push Notifications (by Two Bits) is for the SuperView web wrapper so don’t use that one.
OneSignal - Push Notifications (by OneSignal) is the one which integrates with Bubble and you have to follow the steps mentioned in this post:
https://manual.bubble.io/bubble-made-plugins/onesignal-web-notifications.html
More info here can be seen here:
Have you seen tis post?