Add client count badge

mobile/src/main/java/be/mygod/vpnhotspot/IpNeighbourMonitoringService.kt

@@ -9,10 +9,11 @@ abstract class IpNeighbourMonitoringService : Service(), IpNeighbourMonitor.Call
 
     protected abstract val activeIfaces: List<String>
 
-    override fun onIpNeighbourAvailable(neighbours: Map<String, IpNeighbour>) {
-        this.neighbours = neighbours.values.toList()
+    override fun onIpNeighbourAvailable(neighbours: List<IpNeighbour>) {
+        this.neighbours = neighbours
+        updateNotification()
     }
-    override fun postIpNeighbourAvailable() {
+    protected fun updateNotification() {
         val sizeLookup = neighbours.groupBy { it.dev }.mapValues { (_, neighbours) ->
             neighbours
                     .filter { it.state != IpNeighbour.State.FAILED }