Login loop when leaving review for unconfirmed Ubuntu One accounts

[Joel Clay]

Steps to reproduce:

- Fresh 17.04 Install.

- New Ubuntu One account with unconfirmed email.

- Attempt to write a review (Audacity fore example)

- You are prompted with login window

- Enter username and password

- Login window is shown again and again without error message.

Expected behavior:
- Give a dialog suggesting how the user can remedy the issue.

ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: gnome-software 3.22.7-0ubuntu3.17.04.2
ProcVersionSignature: Ubuntu 4.10.0-21.23-generic 4.10.11
Uname: Linux 4.10.0-21-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.4-0ubuntu4.1
Architecture: amd64
CurrentDesktop: Unity:Unity7
Date: Mon Jun 5 00:36:47 2017
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/gnome-software
InstallationDate: Installed on 2017-06-04 (1 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-software
UpgradeStatus: No upgrade log present (probably fresh install)