Checking/unchecking the "source" checkboxes in the Search does nothing

The "source" checkboxes don't do anything, the URL does not get updated and the results are not filtered.

https://arkindex.teklia.com/search/ed249464-96c5-4ca6-a717-f99fc9bf4ce6?query=17&only_facets=false&sources=metadata&sources=element&sources=entity&sources=transcription