Foreground notifications are not working on Android

[mario-bermonti]

🐛 Bug Report

A bug was introduced in pull request #92 that causes foreground notifications to not work on
Android. The reason for this is that the LocalNotifications is not being initialized correctly
since it it now only being initialized when the user accepts the informed consent.

The foreground notifications work during the session when the user accepts the informed consent,
but it does not work after the app is closed and reopened.

🔬 How To Reproduce

1. Install the app
2. Receive a notification on Android while in the foreground

📈 Expected behavior

Notifications should be displayed on Android while the app is in the foreground in any session.