fixed issue cause user attempts to fail if not lti launch
fixed issue cause user attempts to fail if not lti launch

atomicjolt/OpenAssessments,BYU-Open-Analytics/BYUOpenAssessments,lumenlearning/OpenAssessments,BYU-Open-Analytics/BYUOpenAssessments,lumenlearning/OpenAssessments,atomicjolt/OpenAssessments,atomicjolt/OpenAssessments,BYU-Open-Analytics/BYUOpenAssessments,BYU-Open-Analytics/BYUOpenAssessments,lumenlearning/OpenAssessments,atomicjolt/OpenAssessments,lumenlearning/OpenAssessments