Fix flashing icons

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

@@ -107,7 +107,7 @@ class LocalOnlyHotspotService : IpNeighbourMonitoringService() {
                     SmartSnackbar.make(message).show()
                     startFailure()
                 }
-            }, app.handler)
+            }, null)
         } catch (e: IllegalStateException) {
             Timber.w(e)
             SmartSnackbar.make(e).show()

mobile/src/main/java/be/mygod/vpnhotspot/manage/LocalOnlyHotspotManager.kt

@@ -76,8 +76,8 @@ class LocalOnlyHotspotManager(private val parent: TetheringFragment) : Manager()
         private val lookup: Map<String, NetworkInterface> get() = parent.ifaceLookup
 
         override val icon: Int get() {
-            val iface = binder?.iface ?: return TetherType.WIFI.icon
-            return TetherType.ofInterface(iface).icon
+            val iface = binder?.iface
+            return (if (iface.isNullOrBlank()) TetherType.WIFI else TetherType.ofInterface(iface)).icon
         }
         override val title: CharSequence get() {
             val configuration = binder?.configuration ?: return parent.getString(R.string.tethering_temp_hotspot)