Stop aggregating before-contest submissions Resolved #315

[kenkoooo]

No description provided.

[codecov-io]

Codecov Report

Merging #316 into master will decrease coverage by 39.38%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           master     #316       +/-   ##
===========================================
- Coverage   58.87%   19.49%   -39.39%     
===========================================
  Files          19       71       +52     
  Lines         569     1883     +1314     
  Branches       87      267      +180     
===========================================
+ Hits          335      367       +32     
- Misses        165     1446     +1281     
- Partials       69       70        +1

Impacted Files	Coverage Δ
...r-problems-backend/src/sql/problems_submissions.rs	66.66% <ø> (ø)	⬆️
...oder-problems-frontend/src/pages/StreakRanking.tsx	0% <0%> (ø)
...coder-problems-frontend/src/pages/ShortRanking.tsx	0% <0%> (ø)
...der-problems-frontend/src/interfaces/Submission.ts	0% <0%> (ø)
...coder-problems-frontend/src/pages/FirstRanking.tsx	0% <0%> (ø)
...ems-frontend/src/pages/UserPage/SubmissionList.tsx	0% <0%> (ø)
...er-problems-frontend/src/pages/TablePage/index.tsx	0% <0%> (ø)
...der-problems-frontend/src/pages/FastestRanking.tsx	0% <0%> (ø)
atcoder-problems-frontend/src/pages/SumRanking.tsx	0% <0%> (ø)
...problems-frontend/src/pages/TablePage/TableTab.tsx	0% <0%> (ø)
... and 43 more

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