sort data_basis before dispatching files

csst_dag/dag/_dispatcher.py

@@ -239,7 +239,9 @@ class Dispatcher:
         # initialize task list
         task_list = []
 
+        # sort data_basis before dispatching
         data_basis.sort(keys=data_basis.colnames)
+
         # loop over data
         for i_data_basis in trange(
             len(data_basis),