Fix cloning subtask

app/src/main/java/com/todoroo/astrid/service/TaskDuplicator.kt

@@ -5,17 +5,7 @@ import com.todoroo.astrid.dao.TaskDao
 import com.todoroo.astrid.data.Task
 import com.todoroo.astrid.gcal.GCalHelper
 import org.tasks.LocalBroadcastManager
-import org.tasks.data.Alarm
-import org.tasks.data.AlarmDao
-import org.tasks.data.CaldavDao
-import org.tasks.data.CaldavTask
-import org.tasks.data.Geofence
-import org.tasks.data.GoogleTask
-import org.tasks.data.GoogleTaskDao
-import org.tasks.data.LocationDao
-import org.tasks.data.Tag
-import org.tasks.data.TagDao
-import org.tasks.data.TagDataDao
+import org.tasks.data.*
 import org.tasks.db.DbUtils.dbchunk
 import org.tasks.preferences.Preferences
 import javax.inject.Inject
@@ -40,13 +30,13 @@ class TaskDuplicator @Inject constructor(
             tasks.removeAll(taskDao.getChildren(it))
         }
         for (task in taskDao.fetch(tasks)) {
-            result.add(clone(task))
+            result.add(clone(task, task.parent))
         }
         localBroadcastManager.broadcastRefresh()
         return result
     }
 
-    private suspend fun clone(clone: Task, parentId: Long = 0L): Task {
+    private suspend fun clone(clone: Task, parentId: Long): Task {
         val originalId = clone.id
         with(clone) {
             creationDate = DateUtilities.now()