Port konsolesessions runner to Plasma5/Qt5

Summary: Ported following changes in katesessions runner and konsole.

Test Plan:
Konsole profiles are shown as matches when entering "konsole"
and "konsole <lettersofprofiles>"

Reviewers: broulik, jriddell, davidedmundson

Reviewed By: davidedmundson

Subscribers: plasma-devel

Tags: #plasma

Differential Revision: https://phabricator.kde.org/D10110