trying to figure out how to make user login/create account info link to a database. we have added a firebase already but accounts created are still not showing up in firebase. could it be because we only have the free version of flutterflow? another issue is during sign in, even if user does not put any information in the form, clicking the sign in button with an empty form would still allow the user to login. how can we make it so the app is able to check with firebase to confirm the existence of the user before allowing access into the app. all this is under preview mode if that could possibly be a reason why those functions are not working. help is greatly appreciated.
here is what the "manage contents" show