Display the icons of applications in selection popup

Currently selection popup does not display the icons of
the applications. This patch solves the issue.

Apertis: https://phabricator.apertis.org/T3723



Signed-off-by: Rohan Madgula <Rohan.Madgula@in.bosch.com>
Reviewed-by: Frédéric Dalleau <frederic.dalleau@collabora.com>
Differential Revision: https://phabricator.apertis.org/D6213