Better Defaults for Downstreams

[gerblesh]

The ublue-update defaults have shown to be not ideal for downstream. Issues with battery checks in psutil means that the battery percentage check is broken and often needs to be disabled (#79), and both Bluefin and Bazzite set similar defaults in the ublue-update.toml file:

• https://github.com/ublue-os/bluefin/blob/main/system_files/shared/etc/ublue-update/ublue-update.toml
• https://github.com/ublue-os/bazzite/blob/main/Containerfile#L402

Notably both disable dbus_notify meaning a large portion of the codebase is not being used downstream. For this I want to have an open discussion about creating better, more preferred defaults for downstreams and also discuss the potential removal or revamp of dbus notifications in ublue-update

[fiftydinar]

dbus_notify should be false by default imo.
It's still an useful function, so I think that it shouldn't be removed, but refactored.

I thought that psutil thing is fixed by using downstream patch.