Closes #670: Download correct report when background is from cache (#668)
Closes #670: Download correct report when background is from cache (#668)

* fix bug

* clean up

chanzuckerberg/idseq-web,chanzuckerberg/idseq-web,chanzuckerberg/idseq-web,chanzuckerberg/idseq-web,chanzuckerberg/idseq-web