Only set expected results during problem import.

Otherwise, if you edit and resubmit or replay submissions (even when
submitting as other teams) it would show up in the judging verifier.

webapp/src/Service/SubmissionService.php

@@ -556,7 +556,9 @@ public function submitSolution(
 
         // First look up any expected results in all submission files to minimize the
         // SQL transaction time below.
-        if ($this->dj->checkrole('jury')) {
+        // Only do this for problem import submissions, as we do not want this for re-submitted submissions nor
+        // submissions that come through the API, e.g. when doing a replay of an old contest.
+        if ($this->dj->checkrole('jury') && $source == 'problem import') {
             $results = null;
             foreach ($files as $file) {
                 $fileResult = self::getExpectedResults(file_get_contents($file->getRealPath()),