Patch: Position notifications below the status bar

This patch positions the notification popup below the status bar. However, it stays at the top of the screen when the status bar is hidden by an app or the launcher menu.

Transient notifications are not affected by this patch.

Sources: https://github.com/ichthyosaurus/sailfish-public-patch-sources

Discussion: https://forum.sailfishos.org/t/patches-by-ichthyosaurus

Donations: https://liberapay.com/ichthyosaurus