Remove `SYSTEM_ALERT_WINDOW` permission

[MatkovIvan]

• [x] Has CHANGELOG.md been updated?
• [x] Are tests passing locally?
• [x] Are the files formatted correctly?
• [x] Did you add unit tests?
• [x] Did you test your change with either the sample apps that are included in the repository or with a blank app that uses your change?

Description

Remove optional SYSTEM_ALERT_WINDOW permission that was required to automatically restart the app after installing the update. Posting notification instead.

Related PRs or issues

1624

AB#92778