Add a hide option for partial dock when not dodge windows

Ubuntu 20.04 all up to date to latest @ 19/4/2020

In the preferences tab 'behaviour'

please add a hide option in the partial dock:

what should we do with with the dock when not dodging windows:

there are 3 options, but none to hide the workspaces fully
so when you have an empty desktop without windows, there's no
way to fully hide it right now

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-shell-extension-workspaces-to-dock 52+git20200318-1
ProcVersionSignature: Ubuntu 5.4.0-24.28-generic 5.4.30
Uname: Linux 5.4.0-24-generic x86_64
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sun Apr 19 15:57:08 2020
InstallationDate: Installed on 2020-03-14 (35 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200309)
PackageArchitecture: all
SourcePackage: gnome-shell-extension-workspaces-to-dock
UpgradeStatus: No upgrade log present (probably fresh install)