fix: Fix cronjob status display err in detail page

Created by: moweiwei

What type of PR is this?

/kind bug

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes ##3053 (closed)

Special notes for reviewers:

Does this PR introduced a user-facing change?

fix: Fix cronjob status display err in detail page

Additional documentation, usage docs, etc.:

/assign harrisonliu5