Fix CNA sort in oncoprint
Fix CNA sort in oncoprint

Signed-off-by: Adam Abeshouse <abeshoua@mskcc.org>

Former-commit-id: 991a5b1bf9849867466310462abff785f2a0579f
alisman/cbioportal-frontend,alisman/cbioportal-frontend,cBioPortal/cbioportal-frontend,cBioPortal/cbioportal-frontend,cBioPortal/cbioportal-frontend,alisman/cbioportal-frontend,alisman/cbioportal-frontend,cBioPortal/cbioportal-frontend,alisman/cbioportal-frontend,alisman/cbioportal-frontend,cBioPortal/cbioportal-frontend,cBioPortal/cbioportal-frontend