Fix minor mistakes

opentech/static_src/src/app/src/redux/actions/submissions.js

@@ -21,6 +21,7 @@ export const fetchSubmissionsByRound = roundId => {
             const json = await response.json();
             if (!response.ok) {
                 dispatch(failLoadingSubmissionsByRound(roundId));
+                return;
             }
             dispatch(updateSubmissionsByRound(roundId, json));
         } catch (e) {

opentech/static_src/src/app/src/redux/selectors/submissions.js

@@ -17,7 +17,7 @@ const getCurrentRoundSubmissionsByStatus = createSelector(
             if (!(submission.status in submissionsByStatus)) {
                 submissionsByStatus[submission.status] = [];
             }
-            submissionsByStatus[submission.status].push(submission);
+            submissionsByStatus[submission.status].push({ ...submission });
         }
         const formattedSubmissionsByStatus = [];
         for (const [submissionStatus, statusSubmissions] of Object.entries(submissionsByStatus)) {