erp5_base: Add Check in Supply Builder to avoid infinite loop

bt5/erp5_base/MixinTemplateItem/portal_components/mixin.erp5.BuilderMixin.py

@@ -532,6 +532,7 @@ class BuilderMixin(XMLObject, Amount, Predicate):
         limit_date,
         # Hackish and dangerous
         next_start_date=limit_date)).earliestTime()
+      assert limit_date != limit_date_list[-1]
 
     # evaluate future inventory at date
     future_inventory_to_date = portal.portal_simulation.getFutureInventory(