fix: 设备待激活状态兼容HTTP等没有连接时间的设备接入协议

@@ -124,7 +124,7 @@ public class DeviceDTO extends TenantDTO {
   private JsonNode customerAdditionalInfo;
 
   public DeviceState getDeviceState() {
-    if (lastOnlineTime == null) {
+    if (statusTime == null) {
       return DeviceState.INACTIVE;
     }
     return deviceState;