fix: ci status check logic

[codebytere]

Fixes and cleans up our CI status check logic. It's been broken since we moved to unified AppVeyor on fork and non-fork PRs.

`main`

electron on git:main ❯ e ci status                                 3:40PM
Electron CI Status
  Ref: main

  Circle CI
  ⦿ macOS - running - 56aa347f-03bb-4f3d-a2d5-da28a1d0389c

  ⦿ Linux - running - a7af7126-8397-4b0d-92c3-7cc6d75aa1e4

  ⦿ Lint - success - 120686f1-5a4e-4a35-8781-caedb852586d


  Appveyor
  ⦿ Windows ia32 - running - 47752802

  ⦿ Windows x64 - running - 47752803

  ⦿ Windows Arm - running - 47752801

PR #39428

electron on git:main ❯ e ci status --ref 39428                     3:49PM
Electron CI Status
  Ref: refs/pull/39428/head

  Circle CI
  ⦿ macOS - success - a32a0365-a603-4549-ad14-193183dc661e

  ⦿ Linux - success - 47351e9f-7c1f-4fd0-af96-05eb839894aa

  ⦿ Lint - success - 48f75d6c-0aaa-43ad-8b9f-9b7fdff80bf2


  Appveyor
  ⦿ Windows x64 - success - 47750687

  ⦿ Windows ia32 - success - 47750688

  ⦿ Windows Arm - success - 47750686

Fork PR #39380

electron on git:main ❯ e ci status --ref 39380                     3:54PM
Electron CI Status
  Ref: refs/pull/39380/head

  Circle CI
  ⦿ macOS - Missing
  ⦿ Linux - Missing
  ⦿ Lint - success - b69abafa-0140-42b2-82b3-0f6307e48317

  ⦿ docs-only - success - 65b87d94-ff86-40ff-9037-2253fd377b7e


  Appveyor
  ⦿ Windows x64 - success - 47744343

  ⦿ Windows ia32 - success - 47744344

  ⦿ Windows Arm - success - 47744352