Application can't be launched from Monteverdi

Description

Launching applications from monteverdi doesn't work, the application list is okay, but double-click on them doesn't work.

On the terminal, you get a message:

WARNG> QObject::connect: No such slot mvd::MainWindow::OnApplicationToLaunchSelected(const QString &, const QString &)
WARNG> QObject::connect:  (sender name:   'mvd__ApplicationsToolBox')
WARNG> QObject::connect:  (receiver name: 'Monteverdi')

Steps to reproduce

Open monteverdi, open applications tree, double-click on any app.

Configuration information

Tested on Linux, with 6.5 binary package.