plukkliste: add onlyex key to item-level holds
plukkliste: add onlyex key to item-level holds

digibib/koha-salt-docker,digibib/koha-docker,digibib/koha-docker,digibib/koha-salt-docker,digibib/koha-salt-docker,digibib/koha-docker,digibib/koha-docker,digibib/koha-docker,digibib/koha-salt-docker,digibib/koha-salt-docker,digibib/koha-docker