Refactor Notifications feature

[Anziskavds]

Description:
Users doesn't receive notifications for transactions send to them.

Steps to reproduce:

1. User should have a Tari Aurora wallet
2. Exit the app
3. Send a transaction to the address
4. Wait for a notification
5. Currently the user doesn't receive a notification when they received a transaction

Expected behaviour:
Users should receive notifications for transactions received

Device:
Xiaomi Redmi Note 10

Version:
Nextnet 0.30.1-libwallet-v1.9.1-rc.0 b320