gnome-session-flashback can no longer unmount share drive with nautilus via secondary click

[penalvch]

gnome-session-flashback can no longer unmount share drive with nautilus via secondary click. This was an option in 15.10 so this is a regression.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: gnome-session-flashback 1:3.18.1-1ubuntu4
ProcVersionSignature: Ubuntu 4.3.0-7.18-generic 4.3.3
Uname: Linux 4.3.0-7-generic x86_64
ApportVersion: 2.19.3-0ubuntu3
Architecture: amd64
CurrentDesktop: GNOME-Flashback:Unity
Date: Sun Jan 24 19:47:50 2016
InstallationDate: Installed on 2015-12-18 (37 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
PackageArchitecture: all
SourcePackage: gnome-flashback
UpgradeStatus: Upgraded to xenial on 2016-01-20 (4 days ago)

[penalvch (penalvch)]

No longer reproducible in:
apt-cache policy gnome-session-flashback
gnome-session-flashback:
  Installed: 1:3.18.2-1ubuntu1
  Candidate: 1:3.18.2-1ubuntu1
  Version table:
 *** 1:3.18.2-1ubuntu1 500
        500 http://us.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
        500 http://us.archive.ubuntu.com/ubuntu xenial/universe i386 Packages
        100 /var/lib/dpkg/status