References to commits are broken in Help -> About dialog

Describe the bug

Help -> About dialog contains references for commits to theia and che-theia projects The references are broken at the moment for master branch assembly (eclipse/che-theia:next)

Che version

• latest
• nightly
• other: eclipse/che-theia:next

Steps to reproduce

1. Add to a devfile the section:

- 
    alias: theia-editor
    reference: >-
      https://raw.githubusercontent.com/eclipse/che-plugin-registry/master/v3/plugins/eclipse/che-theia/next/meta.yaml
    type: cheEditor

1. Start a workspace from the devfile
2. Go to Help -> About dialog and try references to theia and che-theia projects
3. You can see https://github.com/theia-ide/theia/commit/N/A in an address line of a browser and error: 404 Page not found

Expected behavior

The references link to relevant commits

Runtime

• kubernetes (include output of kubectl version)
• Openshift (include output of oc version)
• minikube v1.0.0
• minishift (include output of minishift version and oc version)
• docker-desktop + K8S (include output of docker version and kubectl version)
• other: (please specify)

Screenshots

Installation method

• chectl chectl/0.0.2-6d3894f linux-x64 node-v10.4.1
• che-operator
• minishift-addon
• I don’t know

Environment

• my computer
  • Windows
  • Linux
  • macOS
• Cloud
  • Amazon
  • Azure
  • GCE
  • other (please specify)
• other: please specify

Additional context

[mmorhun]

I think this is fixed again by https://github.com/eclipse/che-theia/pull/487

[mmorhun]

Fixed