Launcher auto-hide settings doesn't become grey after disabling auto-hide

[Alberto Salvia Novella]

Launcher auto-hide settings doesn't become grey after disabling auto-hide

****************
HOW TO REPRODUCE
****************
1. Go to "system settings / appearance".
2. Click on the "restore default behaviour" button.
3. Notice that settings under the "automatically hide the launcher" section are in grey.
3. Click on the "automatically hide the launcher" switch.
4. Click again on the "automatically hide the launcher" switch.

******************
EXPECTED BEHAVIOUR
******************
- Settings under the "automatically hide the launcher" section to be in grey.

**************
REAL BEHAVIOUR
**************
- Settings under the "automatically hide the launcher" section are still changeable.

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: unity 7.0.0daily13.04.18~13.04-0ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-23.34-generic 3.8.11
Uname: Linux 3.8.0-23-generic x86_64
ApportVersion: 2.9.2-0ubuntu8.1
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
Date: Wed Jun 19 13:49:18 2013
InstallationDate: Installed on 2013-05-21 (28 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MarkForUpload: True
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)

[Stephen Kraemer (straemer)]

I can reproduce this bug fairly consistently. I am going to see if I can get it fixed.