NOTE Targeted to prerelease-v0.28.0 branch since that is the base (in order to properly see diffs for PR review), but we may want to target to master or a different hotfix branch.
Fixes an issue where re-accessing a manually graded page summary throws 500 when an attempt in in the "submitted" state and not "evaluated" yet.
https://eliterate.atlassian.net/browse/MER-3516
NOTE Targeted to prerelease-v0.28.0 branch since that is the base (in order to properly see diffs for PR review), but we may want to target to master or a different hotfix branch.
Fixes an issue where re-accessing a manually graded page summary throws 500 when an attempt in in the "submitted" state and not "evaluated" yet.