testData: Don't tamper with submitterId in display()

include/testData.php

@@ -1376,6 +1376,9 @@ class testData{
     function display()
     {
         $this->ShowTestResult();
+        $iOldSubmitterId = $this->iSubmitterId;
+
+        if(!$this->iSubmitterId)
 	    $this->iSubmitterId = $_SESSION['current']->iUserId;
 
         $oTable = $this->CreateTestTable();
@@ -1383,6 +1386,8 @@ class testData{
         $oTable->AddRow($this->CreateTestTableRow($this->iTestingId, ""));
 
         echo $oTable->GetString();
+
+	$this->iSubmitterId = $iOldSubmitterId;
     }