bugfix: removed 'unknown' filter from the query view
(simply removed the filter on resume/hold)
https://support.astron.nl/jira/projects/SDCH/queues/custom/80/SDCH-3649
(simply removed the filter on resume/hold)
https://support.astron.nl/jira/projects/SDCH/queues/custom/80/SDCH-3649