Route rules path input error

[jioce]

Describe the bug

1. click edit rules,Modify the path to "test",click save,click to confirm
2. The routing information is not updated
3. Edit the route again and change the path to "/test",click save,click to confirm
4. Routing information update

https://user-images.githubusercontent.com/88183150/137264638-ff5b9e1d-656f-4f62-b60c-171320f585fe.mp4

Versions used(KubeSphere/Kubernetes) KubeSphere: nginhtly-20211013

Expected behavior Path input needs to add verification

/kind bug /@kubesphere/sig-console /priority low

[weili520]

/assign

[weili520]

/assign

I think we need to add validation for the path field.