【修复】 站内信详情中包含删除用户无法正常显示为“未知用户”

站内信收件人中包含已删除用户时，sysUserApi.getUserByIdWithException(devRelation.getTargetId())方法会抛出异常，直接抛到前端报错，这里捕获一下异常不做处理，可以让删除用户成功显示为未知用户或者在catch中做特殊处理

Signed-off-by: wxwx <4622811@163.com>

snowy-plugin/snowy-plugin-dev/src/main/java/vip/xiaonuo/dev/modular/message/service/impl/DevMessageServiceImpl.java

@@ -192,7 +192,13 @@ public class DevMessageServiceImpl extends ServiceImpl<DevMessageMapper, DevMess
         List<DevMessageResult.DevReceiveInfo> receiveInfoList = devRelationService.getRelationListByObjectIdAndCategory(devMessage.getId(),
                 DevRelationCategoryEnum.MSG_TO_USER.getValue()).stream().map(devRelation -> {
             DevMessageResult.DevReceiveInfo devReceiveInfo = new DevMessageResult.DevReceiveInfo();
-            JSONObject userObj = sysUserApi.getUserByIdWithException(devRelation.getTargetId());
+            JSONObject userObj = null;
+            try {
+                userObj = sysUserApi.getUserByIdWithException(devRelation.getTargetId());
+            }
+            catch (Exception e) {
+                // 收件人中包含删除用户 在此处做处理
+            }
             String userName = "未知用户";
             if(ObjectUtil.isNotEmpty(userObj)) {
                 userName = userObj.getStr("name");