Guard against QC attachments
Guard against QC attachments

Normally, attachmens aren’t displayed in the QC panel because they’re objects within the metrics object, and the QC panel display code doesn’t display objects. This change guards against the possibility that an accidentially unembedded attachment slips through.

ENCODE-DCC/snovault,4dn-dcic/fourfront,4dn-dcic/fourfront,ENCODE-DCC/snovault,hms-dbmi/fourfront,ENCODE-DCC/snovault,T2DREAM/t2dream-portal,ENCODE-DCC/snovault,hms-dbmi/fourfront,T2DREAM/t2dream-portal,ENCODE-DCC/snovault,ENCODE-DCC/encoded,hms-dbmi/fourfront,T2DREAM/t2dream-portal,4dn-dcic/fourfront,4dn-dcic/fourfront,ENCODE-DCC/encoded,hms-dbmi/fourfront,T2DREAM/t2dream-portal,ENCODE-DCC/encoded,hms-dbmi/fourfront,ENCODE-DCC/encoded