New frequent CI test failure

Summary

One of the spec tests that we've had intermittent issues with now appears to be failing much more frequently.

Failed test: https://gitlab.com/charts/gitlab/-/jobs/283342142

Restoring a backup Restored gitlab instance Issue attachments should load correctly
     Failure/Error: expect(page).to have_selector(image_selector)
       expected to find visible css "div.md > p > a > img" but there were no matches
     # ./spec/features/backups_spec.rb:54:in `block (3 levels) in <top (required)>'
     # ./gems/ruby/2.6.0/gems/rspec-retry-0.6.1/lib/rspec/retry.rb:123:in `block in run'
     # ./gems/ruby/2.6.0/gems/rspec-retry-0.6.1/lib/rspec/retry.rb:110:in `loop'
     # ./gems/ruby/2.6.0/gems/rspec-retry-0.6.1/lib/rspec/retry.rb:110:in `run'
     # ./gems/ruby/2.6.0/gems/rspec-retry-0.6.1/lib/rspec_ext/rspec_ext.rb:12:in `run_with_retry'
     # ./spec/spec_helper.rb:56:in `block (2 levels) in <top (required)>'
     # ./gems/ruby/2.6.0/gems/rspec-retry-0.6.1/lib/rspec/retry.rb:123:in `block in run'
     # ./gems/ruby/2.6.0/gems/rspec-retry-0.6.1/lib/rspec/retry.rb:110:in `loop'
     # ./gems/ruby/2.6.0/gems/rspec-retry-0.6.1/lib/rspec/retry.rb:110:in `run'
     # ./gems/ruby/2.6.0/gems/rspec-retry-0.6.1/lib/rspec_ext/rspec_ext.rb:12:in `run_with_retry'
     # ./gems/ruby/2.6.0/gems/rspec-retry-0.6.1/lib/rspec/retry.rb:37:in `block (2 levels) in setup'