River

Results 2 issues of River

![image](https://user-images.githubusercontent.com/19513606/234272233-bcd7eeb8-f59d-4294-8ad3-3d8eba0a0d48.png)

每次告警都会发alertmanager配置的webhook_configs默认tpl模版,既匹配tpl=default,也同时匹配告警路由规则的模版,导致每次告警/恢复都发两条,请问如何解决只需要发匹配告警路由规则的模版 ![image](https://github.com/user-attachments/assets/d202d48e-f6fc-4cb7-9a2a-515034d1bcc1) ![image](https://github.com/user-attachments/assets/e6293e94-0eac-4ef3-a227-2238328e6fb4) ![image](https://github.com/user-attachments/assets/b0121235-fc7b-4d0d-b7b3-005a146c77c5) ![image](https://github.com/user-attachments/assets/7d731c21-3403-488e-90cf-824884716753)