[Service Runner] Skip SystemSettings jump list actions

We already find KCMs explicitly

runners/services/servicerunner.cpp

@@ -358,6 +358,11 @@ private:
                 continue;
             }
 
+            // Skip SystemSettings as we find KCMs already
+            if (service->storageId() == QLatin1String("systemsettings.desktop")) {
+                continue;
+            }
+
             const auto actions = service->actions();
             for (const KServiceAction &action : actions) {
                 if (action.text().isEmpty() || action.exec().isEmpty() || hasSeen(action)) {