v4.0 does not work in collaborative session in jlab 4

[jochym]

Description

Extension (in ver 4.0) does not work in jlab4 in collaborative mode due to the added 'RTC:' prefix in the file name.

Reproduce

1. Open tex file in the collaborative session
2. Click on 'Show LaTeX preview'
3. See error: 'Request cannot be completed; no file at RTC:Project/paper/main.tex.' in the error pane.

Expected behavior

The preview should be rendered with latex compilation.

Context

• Operating System and version: debian linux 12
• Browser and version: Chromium/Firefox
• JupyterLab version: 4.0.9 installed from conda-forge

I think just filtering out 'RTC:' prefix should fix this problem. Unfortunately, I cannot write in TS, thus I cannot propose a patch. This is quite a showstopper in my particular use case. I will be happy to test any proposed fixes. The extension is installed directly from the git clone with pip in conda-forge environment.

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[jochym]

It seems the issue is lack of support for custom drives (see the discussion in jupyterlab/jupyter-collaboration#183). jupyterlab-latex is not the only extension affected, but it looks like the correct action is adding support to the extension(-s).