Follow plugin lacks translation on notification title attribute

Environment

Discourse Version: 2.7.0.beta1

Plugin Commit: master

Other Plugins
I don’t think this is relevant (just let me know if it is)

Steps to Reproduce

Receive a follow notification and check its title attribute.

Example

The title attribute isn’t translated:

I noticed on my instance which uses pt_BR, but as seen above the en translation also doesn’t use this key used on the title attribute: [pt_BR.notifications.titles.following].

Looking at another plugin that also creates custom notifications it overrides the notificationTitle when creating the custom notification item:

Logs