Steps to reproduce:

1. Create a template.
2. Create a script item in the template If you wish, create another item type to compare
3. Assign template to a host
4. try to disable the script item in the host,
   1. From the item list
      1. You get the items has been disabled message
   2. From the item definition form
      1. You get the message item has been updated
5. The script item is not disabled/enabled
6. The other item can by disabled

Expected:

The script Item been enabled/disabled as specified