修复培训：支持逾期报到人工确认并修复学员选择器字段映射

fix(train): handle overdue report confirmation and student picker fields

build_ui/src/api/train/enrollment.js

@@ -60,6 +60,7 @@ export function confirmReport(enrollmentId, data) {
   return request({
     url: `/train/enrollments/${enrollmentId}/report`,
     method: 'post',
-    data: data
+    data: data,
+    silentErrorCodes: [40051]
   })
 }