Fedora: dnfdragora still fails to show changelog of packages

[Woi]

History & Context

This is the revenant of bug #92, but meanwhile libdnf supports changelogs [1]. This leads me to the conclusion, that dnfdragora has an issue showing changelogs on Fedora.
[1] https://bugzilla.redhat.com/show_bug.cgi?id=1066867#c17

Description of problem

Dnfdragora fails to show changelog of packages on Fedora, even though dnf now supports it.

Version-Release number of selected component:

Fedora 33

$ dnfdragora --version
dnfdragora 
version: 2.1.0

$ dnf info dnfdragora|grep -e Version -e Release
Version      : 2.1.0
Release      : 2.fc33

How reproducible

Always

Steps to Reproduce

1. Wait until updates are available in repositories
2. Start dnfdragora
3. Select a package
4. Click on Changelog
5. Recognise "Missing Information" instead of package changelog

Actual results

"Missing Information" is shown instead of actual package changelog

Expected results

Package changelog of selected RPM is shown.

[Woi]

Mmh... looks like I should have created this bug for dnfdaemon:
https://github.com/manatools/dnfdaemon/blob/master/python/dnfdaemon/server/__init__.py#L933-L936

[anaselli]

@Woi correct, it has to be fixed there first