make the kglobalaccel daemon capable of launching applications
from their desktop file or to launch a particular action defined by
their jumplist action entries in their desktop file

In order to be enabled by default, the application would have
to install a copy of its desktop file (which has extra X-KDE-Shortcuts entry)
in prefix/share/kglobalaccel

from the kcm side the user will be able to add shortcuts to launch any
app that has a desktop file (or any action defined by it) making
possible to drop khotkeys and its kcm