Describe task statuses in managerclient

[Michal-Leszczynski]

Fixes #4739

[Michal-Leszczynski]

@aexvir if the descriptions seem to be too long, you can always trim them to the first dot, or we can agree on some other method/separator for obtaining shorter versions.

[aexvir]

@aexvir if the descriptions seem to be too long, you can always trim them to the first dot, or we can agree on some other method/separator for obtaining shorter versions.

should be fine, I'll probably add it to the details instead of on hover, that way there's more space to show it