fix: traffic allocation fails after taking over traffic in the canary release modal.

Created by: zhaohuiweixiao

Signed-off-by: zhaohuihui zhaohuihui_yewu@cmss.chinamobile.com

What type of PR is this?

/kind bug

What this PR does / why we need it:

the traffic allocation fails, after a version takes over traffic in the canary release modal. The concrete representation is:

1. the page traffic allocation conflicts with the top prompt
2. The service version was not changed according to the traffic allocation rules

Special notes for reviewers:

/assign harrisonliu5

Does this PR introduced a user-facing change?

fix: the traffic allocation fails, after a version takes over traffic in the canary release modal.