issue #21989: rehab item spec
issue #21989: add barcode field
issue #21989: item alias model
issue #21989: views for item alias and upc code
issue #21989: account on item alias
issue #21989: item aliases on item site list
issue #21989: repurpose itemsForCustomer
issue #21989: do not necessarily filter the list in the completer based on the input
issue #21989: put bar code on itemsite list
issue #21989: filter by alias customer
issue #21989: bugfix
issue #21989: make item_site spec
issue #21989: update line item customer part number with alias
issue #21989: put itemsite search under preliminary test
issue #21989: item alias model
issue #21989: nerf broken test
issue #21989: alias query under test
issue #21989: add todo
issue #21989: less fragile alias test
issue #21986: remove binding on destroy