<!-- This is an auto-generated description by cubic. -->
## Summary by cubic
Fix incorrect "Created" and "Last Updated" timestamps in App Details.
The page now uses selectedApp.createdAt and selectedApp.updatedAt
instead of the current time.

<sup>Written for commit 4b2459b23b4c3e6592c45076276d50070d8df749.
Summary will update automatically on new commits.</sup>

<!-- End of auto-generated description by cubic. -->
Co-authored-by: hlong24082k <hlong24082k@gmail.com>