fxup! erp5_pdm: support calculation of base_price applying to all items of a same slice

bt5/erp5_pdm/WorkflowTemplateItem/portal_workflow/supply_line_interaction_workflow/scripts/SupplyLine_updateBasePriceCellRange.py

 supply_line = state_change['object']
+
+# Currently state_change.kwargs['workflow_method_args'] contains
+# a list of string, so this script is called every time.
+# As it is not the intent, let's return early if nothing changes
+if [float(x) for x in sorted(state_change.kwargs['workflow_method_args'][0], key=lambda x: float(x))] == sorted(supply_line.getQuantityStepList()):
+  return
+
 if supply_line.isBasePricePerSlice():
   price_parameter = 'slice_base_price'
 else:

bt5/erp5_pdm/WorkflowTemplateItem/portal_workflow/supply_line_interaction_workflow/scripts/SupplyLine_updateBasePricePerSlice.py

 supply_line = state_change['object']
-base_id = 'path'
-supply_line.updateCellSliceParameterList(base_id=base_id)
+to_delete_cell_list = [
+  cell for cell in supply_line.getCellIdList(base_id='path')
+  if hasattr(supply_line, cell)
+]
+supply_line.manage_delObjects(ids=to_delete_cell_list)
+if state_change.kwargs['workflow_method_args'][0]:
+  price_parameter = 'slice_base_price'
+else:
+  price_parameter = 'base_price'
+supply_line.updateQuantityPredicate(price_parameter)
+supply_line.updateCellRange(base_id='path')