fix: application's updatetime always is current time

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:

in the application detail page, the updatetime is always the current time. i check the Application CRD, it has not the updatetime attribution.

Special notes for reviewers:

/assign harrisonliu5

Does this PR introduced a user-facing change?

fix: hide the updatetime of application