Add worker method for determining where to take a user when they press signal backups.

app/src/main/java/org/thoughtcrime/securesms/backup/v2/BackupRepository.kt

@@ -105,6 +105,20 @@ object BackupRepository {
     }
   }
 
+  @WorkerThread
+  fun canAccessRemoteBackupSettings(): Boolean {
+    // TODO [message-backups]
+
+    // We need to check whether the user can access remote backup settings.
+
+    // 1. Do they have a receipt they need to be able to view?
+    // 2. Do they have a backup they need to be able to manage?
+
+    // The easy thing to do here would actually be to set a ui hint.
+
+    return SignalStore.backup.areBackupsEnabled
+  }
+
   @WorkerThread
   fun turnOffAndDeleteBackup() {
     RecurringInAppPaymentRepository.cancelActiveSubscriptionSync(InAppPaymentSubscriberRecord.Type.BACKUP)