[gnome-todo] fixup! task: Remove subtasks handling

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 9f9fec305c21afb60b317cfaca8dc5aff65f2616
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Fri Apr 30 12:28:20 2021 -0300

    fixup! task: Remove subtasks handling

 src/core/gtd-task-list.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/src/core/gtd-task-list.c b/src/core/gtd-task-list.c
index 480ff784..140c5111 100644
--- a/src/core/gtd-task-list.c
+++ b/src/core/gtd-task-list.c
@@ -905,6 +905,7 @@ gtd_task_list_move_task_to_position (GtdTaskList *self,
   GSequenceIter *block_start_iter;
   GSequenceIter *block_end_iter;
   GSequenceIter *new_position_iter;
+  GSequenceIter *iter;
   gboolean moving_up;
   guint block1_start;
   guint block1_new_start;
@@ -932,7 +933,8 @@ gtd_task_list_move_task_to_position (GtdTaskList *self,
   g_return_if_fail (gtd_task_list_contains (self, task));
   g_return_if_fail (g_list_model_get_n_items (G_LIST_MODEL (self)) >= new_position);
 
-  block1_start = gtd_task_get_position (task);
+  iter = g_hash_table_lookup (priv->tasks, gtd_object_get_uid (GTD_OBJECT (task)));
+  block1_start = g_sequence_iter_get_position (iter);
 
   g_return_if_fail (new_position < block1_start || new_position >= block1_start + 1);