fix `Notification is not defined` on Android Webview or under ios16.4

Kairlec

2023-04-23 ea3f899593f47c1c6fe708495af0a091a3c73d5f

 src/main/java/com/genersoft/iot/vmp/vmanager/gb28181/playback/PlaybackController.java

@@ -40,7 +40,7 @@
 * @author lin
 */
@Tag(name = "视频回放")
@CrossOrigin

@RestController
@RequestMapping("/api/playback")
public class PlaybackController {