Don't set session to pending and handle case when sessionId has been removed from url
Don't set session to pending and handle case when sessionId has been removed from url


Former-commit-id: c60aedabaad8c0204f4d22b446f39f8aae3f9812
alisman/cbioportal-frontend,alisman/cbioportal-frontend,cBioPortal/cbioportal-frontend,cBioPortal/cbioportal-frontend,cBioPortal/cbioportal-frontend,alisman/cbioportal-frontend,alisman/cbioportal-frontend,alisman/cbioportal-frontend,cBioPortal/cbioportal-frontend,cBioPortal/cbioportal-frontend,cBioPortal/cbioportal-frontend,alisman/cbioportal-frontend