erp5_trade, OrderModule_activateGetOrderStatList: make at_date inclusive

Also:
- fix parameter name to be the same as what request has
- Formatting and trailing whitespaces fixes

bt5/erp5_trade/SkinTemplateItem/portal_skins/erp5_trade/OrderModule_activateGetOrderStatList.py

@@ -5,7 +5,10 @@ category_tool = portal.portal_categories
 
 request = container.REQUEST
 from_date = request.get('from_date', None)
-to_date = request.get('at_date', None)
+at_date = request.get('at_date', None)
+if at_date:
+  at_date = at_date.latestTime()
+
 aggregation_level = request.get('aggregation_level', None)
 report_group_by = request.get('group_by', None)
 # get all category
@@ -51,16 +54,16 @@ elif aggregation_level == "week":
 elif aggregation_level == "day":
   date_format = "%Y-%m-%d"
 
-params = {"delivery.start_date":(from_date, to_date)}
+params = {"delivery.start_date":(from_date, at_date)}
 query=None
-if from_date is not None and to_date is not None:
-  params = {"delivery.start_date":(from_date, to_date)}
+if from_date is not None and at_date is not None:
+  params = {"delivery.start_date": (from_date, at_date)}
   query = Query(range="minngt", **params)
 elif from_date is not None:
-  params = {"delivery.start_date":from_date}
+  params = {"delivery.start_date": from_date}
   query = Query(range="min", **params)
-elif to_date is not None:
-  params = {"delivery.start_date":to_date}
+elif at_date is not None:
+  params = {"delivery.start_date": at_date}
   query = Query(range="ngt", **params)
 
 select_params = {"select_list" : ['source_section_title', 'destination_section_title',