[Codespaces] No webpage opens after clicking the "learn more" button

[v-mengwe]

Environment: GitHub Codespaces (Remote/Local)
Build Version: 20210513.4

Repro Steps:

1. Start up a private local registry using the command docker run -d --rm --name noAuthRegistry -p 5100:5000 registry.
2. Go to the "REGISTRIES" node -> Click 'Connect Registry...' -> Select 'Generic Docker Registry(Preview)' -> Input the URL: http://localhost:5100 -> Username: <Press Enter>.
3. Push an image to the registry -> Right click the pushed image -> Select "Delete Image..." -> "Yes" -> Click "Learn more" when popping up a notification.
   
4. Check whether open a webpage.

Expect:
Open a webpage in the browser: https://docs.docker.com/registry/configuration/#delete

Actual:
No webpage opens.

[bwateratmsft]

The root cause is indeed the same as #2943, so resolving this one as dupe.