Change the visibility settings configuration for the lists_addbybiblionumber pop-up window that appears when adding to a public list from the cataloguing module. At the moment, the only lists visible in that window are those set with anybody who can see the list, the problem here is that this setting also allows users logged into the OPAC to make edits which our list owners don't want. Preferred outcome should be that when a list owner sets the editing option to staff only, that it also appears in the drop-down list in the virtualshelves/addbybiblionumber pop-up window when working in the staff interface.