file-roller StartupNotify error in gnome-panel menu list

When opening "*.tgz" multiple times, gnome-panel is full of "Opening Archive ..".

Please do the following change to fix it:

[/usr/share/applications/org.gnome.FileRoller.desktop]
7c7
< StartupNotify=true
---
> StartupNotify=false

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: file-roller 3.16.5-0ubuntu1 [modified: usr/share/applications/file-roller.desktop usr/share/applications/org.gnome.FileRoller.desktop]
ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
Uname: Linux 4.4.0-22-generic x86_64
NonfreeKernelModules: zfs zunicode zcommon znvpair zavl
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
CurrentDesktop: GNOME-Flashback:Unity
Date: Sat May 21 11:41:02 2016
JournalErrors:
 Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000'] failed with exit code 1: Hint: You are currently not seeing messages from other users and the system.
       Users in the 'systemd-journal' group can see all messages. Pass -q to
       turn off this notice.
 No journal files were opened due to insufficient permissions.
SourcePackage: file-roller
UpgradeStatus: No upgrade log present (probably fresh install)