fix dangling gdbus processes

Modules/Lock/Lock.qml

@@ -18,6 +18,10 @@ Item {
         getSessionPath.running = true
     }
 
+    Component.onDestruction: {
+        lockStateMonitor.running = false
+    }
+
     Connections {
         target: IdleService
         function onLockRequested() {

Services/NetworkService.qml

@@ -109,6 +109,10 @@ Singleton {
         initializeDBusMonitors()
     }
 
+    Component.onDestruction: {
+        nmStateMonitor.running = false
+    }
+
     function addRef() {
         refCount++
         if (refCount === 1) {