bug_5533: Slightly improved marking items as lost

bug_5533: Slightly improved marking items as lost

Call LostItem() whenever item is lost.
LostItem() new arg - mark returned.
Disabled Lost Status on catalogue item edit.

Signed-off-by: Nicole C. Engard <nengard@bywatersolutions.com>
For follow up we need to explain how to hide the 952$1 (lost) from
the framework by putting it in the 'ignore' tab.

Signed-off-by: Ian Walls <ian.walls@bywatersolutions.com>
Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>