fix: MQTT 排程完成回调移除无效的 LoginHelper.getUserId

MQTT 消息处理线程没有登录上下文，LoginHelper.getUserId() 取不到值
还会覆盖 buildWateringLog 里基于设备查询设置的 userId

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

water-modules/water-app/src/main/java/org/dromara/app/handler/ScheduleFinishHandler.java

@@ -12,7 +12,6 @@ import org.dromara.app.service.IAppDeviceService;
 import org.dromara.app.service.IAppWateringLogService;
 import org.dromara.common.core.utils.StringUtils;
 import org.dromara.common.json.utils.JsonUtils;
-import org.dromara.common.satoken.utils.LoginHelper;
 import org.springframework.stereotype.Component;
 
 import java.text.ParseException;
@@ -54,7 +53,6 @@ public class ScheduleFinishHandler implements MqttTopicHandler {
             }
             Map<String, Object> dto = JsonUtils.parseObject(payload, Map.class);
             AppWateringLogBo logBo = buildWateringLog(deviceNo, dto);
-            logBo.setUserId(LoginHelper.getUserId());
             appWateringLogService.confirmScheduleLog(logBo);
             log.info("[MQTT] 浇水排程上报已保存 时间={} 设备编号={} 消息体={}", HandlerLogTime.now(), deviceNo, payload);
         } catch (Exception e) {