GNOME Software doesn't support animated Gifs for screenshots

I am running GNOME Software on Ubuntu 16.04. If I look for Tizonia, it shows the app description and a static screenshot. The media uploaded to the store is actually a gif, but GNOME Software doesn't seem to support it.

Steps to reproduce

* Open GNOME Software
* Search for tizonia
* Wait for screenshot to load

Expected behaviour

* Animated gif plays in the page for the application

Actual behaviour

* Only the first frame of the animated gif is displayed.

See screenshot attached.

This is the media as it has been uploaded to the store:- https://dashboard.snapcraft.io/site_media/appmedia/2017/12/tizonia-usage-screencast.gif

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: gnome-software 3.20.5-0ubuntu0.16.04.7
ProcVersionSignature: Ubuntu 4.13.0-26.29~16.04.2-generic 4.13.13
Uname: Linux 4.13.0-26-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.15
Architecture: amd64
CurrentDesktop: Unity
Date: Mon Jan 15 17:15:51 2018
InstallationDate: Installed on 2017-07-03 (196 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
SourcePackage: gnome-software
UpgradeStatus: No upgrade log present (probably fresh install)