Installing Dash to Dock then removing it causes 'Error loading extension'

[Ads20000]

With gnome-shell-extension-ubuntu-dock installed (on the Ubuntu 17.10 default session), installing Dash to Dock from the GNOME Extensions website and then removing it from the website causes 'Error loading extension' in GNOME Tweak for both DtD and the Ubuntu dock. DtD is said to be off both on the website and Tweak but is still being used over the Ubuntu Dock.

What I expect to happen: Switching between Ubuntu Dock and Dash to Dock works seamlessly.

If you're struggling to reproduce this, it _may_ be because I also enabled and disabled Dash to Panel, but I think I got this bug even without doing that.

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: gnome-shell-extension-ubuntu-dock 0.7
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-16-generic x86_64
NonfreeKernelModules: zfs zunicode zavl zcommon znvpair
ApportVersion: 2.20.7-0ubuntu3
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Thu Oct 26 22:48:12 2017
InstallationDate: Installed on 2017-08-03 (84 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
PackageArchitecture: all
SourcePackage: gnome-shell-extension-ubuntu-dock
UpgradeStatus: Upgraded to artful on 2017-10-21 (5 days ago)

[Ads20000 (ads20000)]

Sorry, this is a duplicate, sad that Launchpad didn't pick this up when I typed in the bug title but I guess the words are different, I should've checked the bug list first :/