复制考生时，不复制重考信息

exam-work-api/src/main/java/cn/com/qmth/examcloud/service/examwork/service/ExamStudentService.java

@@ -595,6 +595,11 @@ public class ExamStudentService {
 				tempStudent.setGraduated(false);
 				tempStudent.setDegree(false);
 				tempStudent.setRepair(false);
+				tempStudent.setNormalExamTimes(null);
+				tempStudent.setIsReexamine(null);
+				tempStudent.setReexamineType(null);
+				tempStudent.setReexamineDetail(null);
+				tempStudent.setReexamineCompleted(null);
 				tempStudent.setExam(targetExam);
 				targetExamStudents.add(tempStudent);
 			}