Dash search text does not unhighlight when single clicking to the right of the text

[Adam Bruce]

Reproduce:

- Open dash
- Enter some search text
- Double click text to highlight it
- Single click anywhere in the black space to the right of the text

What happens:

- Text stays highlighted

What should happen:

- Text should unhighlight

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: unity 6.12.0daily13.02.08-0ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-6.11-generic 3.8.0-rc7
Uname: Linux 3.8.0-6-generic x86_64
ApportVersion: 2.8-0ubuntu4
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
Date: Thu Feb 14 02:35:11 2013
InstallationDate: Installed on 2013-02-11 (2 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130210)
MarkForUpload: True
ProcEnviron:
 LANGUAGE=en_GB:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)

[Alex Baggott (alex-baggott)]

As part of the big bug review for 16.04 LTS, I have tested this on 15.10 and the bug is still there.