fix: edge case when the FG service is timed out with the app in FG, the LN node would keep running after app ON_STOP

Author: jvsena42

app/src/main/java/to/bitkit/ui/ContentView.kt

@@ -274,7 +274,9 @@ fun ContentView(
                 }
 
                 Lifecycle.Event.ON_STOP -> {
-                    val keptAliveByService = notificationsGranted && keepActiveInBackground
+                    val keptAliveByService = notificationsGranted &&
+                        keepActiveInBackground &&
+                        appViewModel.isForegroundServiceRunning()
                     if (walletExists && !isRecoveryMode && !keptAliveByService) {
                         walletViewModel.stop()
                     }

app/src/main/java/to/bitkit/viewmodels/AppViewModel.kt

@@ -143,6 +143,7 @@ import to.bitkit.repositories.WidgetsRepo
 import to.bitkit.services.AppUpdaterService
 import to.bitkit.services.CoreService
 import to.bitkit.services.MigrationService
+import to.bitkit.services.NodeServiceFgState
 import to.bitkit.ui.Routes
 import to.bitkit.ui.components.Sheet
 import to.bitkit.ui.shared.toast.ToastEventBus
@@ -200,6 +201,7 @@ class AppViewModel @Inject constructor(
     private val transferRepo: TransferRepo,
     private val migrationService: MigrationService,
     private val coreService: CoreService,
+    private val nodeServiceFgState: NodeServiceFgState,
     private val pubkyRepo: PubkyRepo,
     private val publicPaykitRepo: PublicPaykitRepo,
     private val privatePaykitRepo: PrivatePaykitRepo,
@@ -2734,6 +2736,8 @@ class AppViewModel @Inject constructor(
         cacheStore.clearBackgroundReceive()
         showTransactionSheet(details)
     }
+
+    fun isForegroundServiceRunning(): Boolean = nodeServiceFgState.isForegroundServiceRunning
     // endregion
 
     // region Sheets