[WIP]hr_employee_stats_sheet:fix public holidays

hr_employee_stats_sheet/models/hr_timesheet_sheet.py

@@ -110,8 +110,8 @@ class HrTimesheetSheet(models.Model):
             ("state", "in", ("open", "close")),
             ("date_start", "<=", self.date_end),
             "|",
-            ("date_end", "=", False),  # pas de date de fin OU
-            ("date_end", ">=", self.date_start),  # date de fin après le début
+            ("date_end", "=", False),  # no end date OR
+            ("date_end", ">=", self.date_start),  # end date after start
             ],
         )
         return contracts