Fix #116585: adding new hook results in crash

The issues was a missing depsgraph tag after adding the hook modifier.
Because of this, the depsgraph did not make a new copy of the object,
which led to a discrepancy between the number of modifiers on the original
and evaluated object.

source/blender/editors/object/object_hook.cc

@@ -603,6 +603,7 @@ static int add_hook_object(const bContext *C,
   /* apparently this call goes from right to left... */
   mul_m4_series(hmd->parentinv, pose_mat, object_eval->world_to_object, obedit->object_to_world);
 
+  DEG_id_tag_update(&obedit->id, ID_RECALC_GEOMETRY);
   DEG_relations_tag_update(bmain);
 
   return true;