D7648: Fix ksysguard not starting on plasmoid click

[Mladen Milinkovic]

maxrd2 added a reviewer: sars.

REPOSITORY
  R114 Plasma Addons

REVISION DETAIL
  https://phabricator.kde.org/D7648

To: maxrd2, #plasma, sars
Cc: plasma-devel, ZrenBot, progwolff, lesliezhai, ali-mohamed, jensreuterberg, 
abetts, sebas, apol, mart, lukas