Cannot run public repo specifying a branch

[Rolanddoda]

Description of Bug

I have this repo and I am trying to open it on Stackblitz via: https://stackblitz.com/github/Rolanddoda/unified-way-of-using-svg-icons/tree/lesson-3 but it doesn't seem to work

Steps to Reproduce

1. Just visit the link

Expected Behavior

I read here that you can run any public repo and optionally specify a branch, tag, or commit. But it seems that this doesn't work.

Screenshots/Screencast

Additional Context/Questions
Add any other context or questions regarding this bug.

[kc0tlh]

This issue is now resolved in our new VS Code editor! Additional details in Github issue #2473

Try it out for yourself here: https://pr.new/github.com/Rolanddoda/svg-icons-interactive-playground/tree/lesson-3

Note to our dev team: still broken in the Classic Editor