Use the QProcess::start() variant with explicit (empty, in these cases)
arguments, so the program strings are not parsed as shell commands,
thus preserving paths with spaces as such.
Port all remaining KDED modules to json metadata and disables
installation of the desktop files.
The plugins now get installed in ${KDE_INSTALL_PLUGINDIR}/kf5/kded and
the "kded_" prefix is removed.
REVIEW: 124845
This monitor is launched on pressing Ctrl + Esc, and closed when Ctrl +
Esc is called again. A kded module is responsible for keeping this global
shortcut.