Fix: Harbor 2.3: Replication of existing images containing CVEs blocked by the destination project will fail on manifest check early

[ShaikaJar]

Thank you for contributing to Harbor!

Comprehensive Summary of your change

Change replication-logic to allow for an error while fetching the manifest of a image, that will be overridden.

Issue being fixed

Fixes #15283

Please indicate you've done the following:

• [X] 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"
• [x] Accepted the DCO. Commits without the DCO will delay acceptance.
• [x] Made sure tests are passing and test coverage is added if needed.
• [x] Considered the docs impact and opened a new docs issue or PR with docs changes if needed in website repository.

[ShaikaJar]

I also thought about changing the ManifestExist specifically for harbor to use the /projects/{project_name}/repositories/{repository_name}/artifacts/{reference} endpoint, but decided against it.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 46.55%. Comparing base (c8c11b4) to head (0244c88). Report is 479 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #22028      +/-   ##
==========================================
+ Coverage   45.36%   46.55%   +1.18%     
==========================================
  Files         244      253       +9     
  Lines       13333    14238     +905     
  Branches     2719     2925     +206     
==========================================
+ Hits         6049     6628     +579     
- Misses       6983     7258     +275     
- Partials      301      352      +51     

Flag	Coverage Δ
unittests	46.55% <ø> (+1.18%)	:arrow_up:

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see 178 files with indirect coverage changes

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[reasonerjt]

@chlins

Please help us review this PR. I think we need to handle it more properly other than skip any error.

[github-actions[bot]]

This PR is being marked stale due to a period of inactivty. If this PR is still relevant, please comment or remove the stale label. Otherwise, this PR will close in 30 days.

[ShaikaJar]

@chlins
I really need this feature to work. The Issue was open for a really long time Can you please review it (even if you decide this isn't the right solution)

[github-actions[bot]]

This PR is being marked stale due to a period of inactivty. If this PR is still relevant, please comment or remove the stale label. Otherwise, this PR will close in 30 days.

[github-actions[bot]]

This PR was closed because it has been stalled for 30 days with no activity. If this PR is still relevant, please re-open a new PR against main.