mkosi: add the right scope to the dbus user bus
The commented out ExecStart line for spawning the broker under valgrind did not have the right
scope.
@@ -8,7 +8,7 @@ Requires=dbus.socket
ExecStart=/usr/bin/dbus-broker-launch -v --scope user --listen inherit
# valgrind dbus-broker(1) Exec* lines:
-#ExecStart=/usr/bin/valgrind --trace-children=yes --leak-check=full /usr/bin/dbus-broker-launch -v --listen inherit
+#ExecStart=/usr/bin/valgrind --trace-children=yes --leak-check=full /usr/bin/dbus-broker-launch -v --scope user --listen inherit
# dbus-daemon(1) Exec* lines:
#ExecStart=/usr/bin/dbus-daemon --session --address=systemd: --nofork --nopidfile --systemd-activation
