network: debounce nmcli monitor events

Batch rapid nmcli monitor events with a 200ms debounce timer
instead of spawning processes on every event line.

services/Network.qml

@@ -309,16 +309,23 @@ Singleton {
         return octets.join(".");
     }
 
-    Process {
+    Timer {
-        running: true
+        id: monitorDebounce
-        command: ["nmcli", "m"]
+
-        stdout: SplitParser {
+        interval: 200
-            onRead: {
+        onTriggered: {
             Nmcli.getNetworks(() => {
                 syncNetworksFromNmcli();
             });
             getEthernetDevices();
         }
     }
+
+    Process {
+        running: true
+        command: ["nmcli", "m"]
+        stdout: SplitParser {
+            onRead: monitorDebounce.start()
+        }
     }
 }