[bug]:request.headers.user-agent should be useable in upward

[fooman]

Describe the bug It's currently not possible to use the following

  resolver: conditional
  when:
    - matches: request.headers.user-agent

due to the - character.

To reproduce Steps to reproduce the behavior:

1. Create upward rule with the above

Expected behavior see pull request #2484

Please let us know what packages this bug is in regards to:

• [ ] venia-concept
• [ ] venia-ui
• [ ] pwa-buildpack
• [ ] peregrine
• [ ] pwa-devdocs
• [x] upward-js
• [ ] upward-spec
• [ ] create-pwa

[m2-assistant[bot]]

Hi @fooman. Thank you for your report. To help us process this issue please make sure that you provided sufficient information.

Please, add a comment to assign the issue: @magento I am working on this

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[tjwiebell]

Created in internal JIRA for grooming: PWA-689