Use cmake function 'kdbusaddons_generate_dbus_service_file' from kdbusaddons...

Use cmake function 'kdbusaddons_generate_dbus_service_file' from kdbusaddons to generate dbus service file

Summary:
BUG:382459
BUG:388059
BUG:388060
BUG:388062
BUG:388063
FIXED-IN:5.43.0

Test Plan:
compiled against installed HEAD of kdbusaddons git master branch and inspected generated service files;
On Windows only the executable is used, which is expected

Reviewers: dfaure, kfunk, bcooksley

Reviewed By: dfaure

Subscribers: #frameworks

Tags: #frameworks

Differential Revision: https://phabricator.kde.org/D9669