Fix spec/frontend/packages_and_registries/settings/project/settings/components/cleanup_image_tags_spec.js

## Summary
The test file `spec/frontend/packages_and_registries/settings/project/settings/components/cleanup_image_tags_spec.js` contains failing test cases that need to be addressed as part of the unique failing test cases initiative.

## Test File Location
`spec/frontend/packages_and_registries/settings/project/settings/components/cleanup_image_tags_spec.js`

## Expected Outcome
- All tests in this spec file should pass consistently
- Any flaky or intermittently failing tests should be stabilized
- Test implementation should be compatible with Vue 3 migration requirements

## Steps to Reproduce
1. Run the specific test file
2. Identify failing test cases
3. Analyze root cause of failures
4. Implement fixes