Steps to reproduce:

1. Create a LLD rule and discover entities.
2. Make sure the items are not discovered anymore (lost resource), but still present as item.
3. Go to the dashboard, add graph widget with host set to the host, and item pattern to match on <pattern> -> this works as expected.
4. Remove the item pattern. Click on select and try to add the items:  (on the left side the dropdown, right side is configuration -> hosts -> {host} -> items)

Result:
Items that are still items but marked as 'lost' are not able showing up in the list.
Expected:
item = item and should be able to add.