Icon of USC app doesn't go away from Launcher if user canceled authentication

[Varun Priolkar]

When trying to install an app from the software center, if you cancel the dialog box at the password promp, the icon on the unity launcher doesnt go away.
How to reproduce the bug:
1. Goto the software center, select an app and click install.
2.On the password prompt, click cancel
3.The icon will still be there in the launcher

What should happen:
The icon should disappear from the launcher

Video:
youtu.be/_1RBtdyVreE

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: unity 5.10.0-0ubuntu3
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic x86_64
ApportVersion: 2.0.1-0ubuntu3
Architecture: amd64
CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
Date: Mon Apr 16 18:38:08 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120412)
ProcEnviron:
 LANGUAGE=en_IN:en
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_IN
 SHELL=/bin/bash
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)

[Adolfo Jayme Barrientos (fitojb)]

A solution to this bug would be triggering the "flying icon" animation only if the user has authenticated sucessfully.