Fix missing attachment display
Fix missing attachment display

New conditional prevented display if the attachment property in the quality_metric was 'attachment'.

ENCODE-DCC/snovault,T2DREAM/t2dream-portal,ENCODE-DCC/encoded,ENCODE-DCC/encoded,T2DREAM/t2dream-portal,ENCODE-DCC/snovault,ENCODE-DCC/snovault,ENCODE-DCC/snovault,T2DREAM/t2dream-portal,T2DREAM/t2dream-portal,ENCODE-DCC/encoded,ENCODE-DCC/encoded,ENCODE-DCC/snovault