No Compatability with jupyter-collaboration-extension

[wuerfelfreak]

Description

jupyterlab-git does not seem to work in combination with the jupyter-collaboration-extension.
It says in the git-tab: RTC: is not a Git repository. To use Git, navigate to a local repository, initialize a repository here, or clone an existing repository. despite there being a repo in the current directory.

The problem seems to have to do with the fact that jupyter-collaboration-extension prepends RTC: to the tree path.

Reproduce

1. Install jupyter-lab 4.0.5
2. pip install jupyter-collaboration
3. pip install --pre jupyterlab-git==0.50.0a1
4. clone any repository
5. enter that repository
6. see the git tab

Expected behavior

Should recognize the repository.

Context

• Python package version
  jupyterlab-git==0.50.0a1
jupyter_collaboration==1.1.0
jupyter-lab==4.0.5
• Extension version:
  jupyterlab-git==0.50.0a1
jupyter_collaboration==1.1.0
jupyter-lab==4.0.5
• Git version:
  git version 2.39.2
• Operating System and its version:
  docker python:3.11.5

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[fcollonval]

Thanks @wuerfelfreak

This is a duplicate of #1282; for information I just released 0.50.0a2 that has the fix for it.