fix crash when updating an existing entry

code clean up

Shared/Persisence/PersistenceHelper.swift

@@ -75,8 +75,7 @@ extension PersistenceController {
                 newItem.weekDay = Int16(Calendar.current.component(.weekday, from: date))
             }
             
-            try viewContext.save()
-            runDataListeners()
+            saveAndRunDataListerners()
         } catch {
             // Replace this implementation with code to handle the error appropriately.
             // fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.