fix mutations tab: use studyId on clinicalData obj instead of its clinicalAttribute property (not available without DETAILED projection)
fix mutations tab: use studyId on clinicalData obj instead of its clinicalAttribute property (not available without DETAILED projection)


Former-commit-id: f6dd2e7a4b4a2cf9f47e669d0186f37d45524548
alisman/cbioportal-frontend,cBioPortal/cbioportal-frontend,cBioPortal/cbioportal-frontend,alisman/cbioportal-frontend,cBioPortal/cbioportal-frontend,cBioPortal/cbioportal-frontend,cBioPortal/cbioportal-frontend,alisman/cbioportal-frontend,alisman/cbioportal-frontend,alisman/cbioportal-frontend,alisman/cbioportal-frontend,cBioPortal/cbioportal-frontend