Connect to existing GitHub repostiroy button missing

[Kamilius]

Description of Bug

Connect to existing GitHub repository button missing.
The is no valid way for me to connect to the existing GitHub repository, only to create a new one.
All of the guides and videos which were showing how to do this relied on the button, which is missing on my UI, for some reason.

Steps to Reproduce

1. Go to stackbliltz.com
2. Click on Dashboard -> New project
3. Click on the Javascript Blank project
4. Try finding the "Connect to existing GitHub Repository" button on the top left.

Expected Behavior

The "Connect to existing GitHub Repository" button is available, and I'm able to perform that action

Screenshots/Screencast

Additional Context/Questions
Can anyone help me to understand how to connect StackBlitz to a private GitHub repository? As the guide from the official doc doesn't seem to be correct in my case