fix(缺陷管理): 消息通知空指针异常

--bug=1022158 --user=李玉号 [ 缺陷管理]ldap用户创建jira 缺陷 后台日志报错（两个环境错误日志不一样）
https://www.tapd.cn/55049933/s/1330446

framework/sdk-parent/sdk/src/main/java/io/metersphere/notice/sender/AbstractNoticeSender.java

@@ -99,6 +99,9 @@ public abstract class AbstractNoticeSender implements NoticeSender {
                     Map jsonObject = new BeanMap(o);
                     String id = (String) jsonObject.get("id");
                     CustomField customField = baseCustomFieldService.get(id);
+                    if (customField == null) {
+                        continue;
+                    }
                     Object value = jsonObject.get("value");
                     if (value instanceof String && StringUtils.isNotEmpty((String) value)) {
                         String v = StringUtils.unwrap((String) value, "\"");
@@ -143,6 +146,9 @@ public abstract class AbstractNoticeSender implements NoticeSender {
     }
 
     protected List<UserDetail> getUserDetails(List<String> userIds) {
+        if (CollectionUtils.isEmpty(userIds)) {
+            return new ArrayList<>();
+        }
         return baseUserMapper.queryTypeByIds(userIds);
     }