native NetworkManager + all native dbus bindings via dms

- Scrap janky NetworkService in favor of, dms' native NM integration
  socket
- Scrap all gdbus usage in favor of native dbus bindings in dms
  (loginctl, freedesktop)

It means that - some features won't work if running without dms wrapper.

But the trade off is certainly worth it, in the long-run for efficiency
improvements.

Modules/DankBar/DankBar.qml

@@ -1003,8 +1003,8 @@ Item {
                                     }
                                     controlCenterLoader.item.triggerScreen = barWindow.screen
                                     controlCenterLoader.item.toggle()
-                                    if (controlCenterLoader.item.shouldBeVisible && NetworkService.wifiEnabled) {
-                                        NetworkService.scanWifi()
+                                    if (controlCenterLoader.item.shouldBeVisible && NetworkManagerService.wifiEnabled) {
+                                        NetworkManagerService.scanWifi()
                                     }
                                 }
                             }