Change EAD langusage import.
Change EAD langusage import.

Make script and language the default destination if no
encodinganalog is specified. Fixes #4431, #4508.

kyfr59/atom-cg35,kyfr59/atom-cg35,CENDARI/atom,Surfrdan/atom,Surfrdan/atom,artefactual/binder,kyfr59/atom-cg35,Surfrdan/atom,CENDARI/atom,artefactual/binder,artefactual/binder,artefactual/atom,artefactual/atom,CENDARI/atom,artefactual/binder,artefactual/atom