remove version info for anonymous users

[MinerYang]

Thank you for contributing to Harbor!

Comprehensive Summary of your change

Issue being fixed

21152

Please indicate you've done the following:

• Well Written Title and Summary of the PR
• Label the PR as needed. "release-note/ignore-for-release, release-note/new-feature, release-note/update, release-note/enhancement, release-note/community, release-note/breaking-change, release-note/docs, release-note/infra, release-note/deprecation"
• Accepted the DCO. Commits without the DCO will delay acceptance.
• Made sure tests are passing and test coverage is added if needed.
• Considered the docs impact and opened a new docs issue or PR with docs changes if needed in website repository.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 46.24%. Comparing base (c8c11b4) to head (fa96b7f).
Report is 452 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #21672      +/-   ##
==========================================
+ Coverage   45.36%   46.24%   +0.87%     
==========================================
  Files         244      249       +5     
  Lines       13333    14047     +714     
  Branches     2719     2897     +178     
==========================================
+ Hits         6049     6496     +447     
- Misses       6983     7208     +225     
- Partials      301      343      +42     

Flag	Coverage Δ
unittests	46.24% <ø> (+0.87%)	⬆️

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see 493 files with indirect coverage changes

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[chlins]

lgtm