fix: 打印邮件堆栈异常

backend/src/main/java/io/dataease/job/sechedule/strategy/impl/EmailTaskHandler.java

@@ -118,6 +118,7 @@ public class EmailTaskHandler extends TaskHandler implements Job {
         } catch (Exception e) {
             error(taskInstance, e);
             LogUtil.error(e.getMessage(), e);
+            e.printStackTrace();
         }
     }