UX Bug while trying to save Credentials temporarily

[jerrygb]

Description

We have the 0.39.0 version installed and there seems to be issue with the styling or theme where the checkbox is disabled as seen in the screenshot below.

Could it be that some theme/user setting is causing the checkbox to behave this way?

Reproduce

1. Go to Git Plugin
2. Click on Clone Repository
3. After entering the repo to clone, you have the screen for entering credentials which allows us to cache credentials. This checkbox is disabled.

Expected behavior

The checkbox is working and in conjunction with the following notebook config allows us to cache the credentials for an hour.

c.JupyterLabGit.credential_helper = 'cache --timeout=3600'

Another thing we noticed was if this was setup via git using just the terminal

git config --global credential.helper 'cache --timeout=3600'
git clone git@myrepo.git

Then invokes and sets up the credential helper and we notice the file /home/jovyan/.cache/git/credential/socket.

Context

• Python package version:

Name: jupyterlab-git
Version: 0.39.0
Summary: A JupyterLab extension for version control using git
Home-page: https://github.com/jupyterlab/jupyterlab-git
Author: Jupyter Development Team
Author-email: 
License: BSD-3-Clause
Location: /opt/conda/lib/python3.8/site-packages
Requires: jupyter-server, nbdime, nbformat, packaging, pexpect, traitlets
Required-by: 

• Extension version:

$ jupyter labextension list
JupyterLab v3.0.16
/opt/conda/share/jupyter/labextensions
        dask-labextension v6.0.0 enabled OK (python, dask_labextension)
        jupyterlab-plotly v5.13.0 enabled OK
        nbdime-jupyterlab v2.1.1 enabled OK
        @aquirdturtle/collapsible_headings v3.1.0 enabled OK (python, aquirdturtle_collapsible_headings)
        @jupyter-widgets/jupyterlab-manager v5.0.5 enabled OK (python, jupyterlab_widgets)
        @jupyterlab/git v0.39.0 enabled OK (python, jupyterlab-git)
        @jupyterlab/server-proxy v3.2.2 enabled OK
        @krassowski/jupyterlab-lsp v3.9.3 enabled OK (python, jupyterlab-lsp)

Other labextensions (built into JupyterLab)
   app dir: /opt/conda/share/jupyter/lab

• Git version: 2.25.1

• Operating System and its version: Linux amd64

• Jupyter version

$ jupyter --version
Selected Jupyter core packages...
IPython          : 8.1.1
ipykernel        : 5.5.5
ipywidgets       : 8.0.4
jupyter_client   : 7.1.2
jupyter_core     : 4.9.2
jupyter_server   : 1.13.5
jupyterlab       : 3.0.16
nbclient         : 0.5.12
nbconvert        : 6.4.2
nbformat         : 5.1.3
notebook         : 6.4.0
qtconsole        : not installed
traitlets        : 5.1.1

• Jupyter Paths

config:
    /home/jovyan/.jupyter
    /home/jovyan/.local/etc/jupyter
    /opt/conda/etc/jupyter
    /usr/local/etc/jupyter
    /etc/jupyter
data:
    /home/jovyan/.local/share/jupyter
    /opt/conda/share/jupyter
    /usr/local/share/jupyter
    /usr/share/jupyter
runtime:
    /home/jovyan/.local/share/jupyter/runtime

We have jupyter_notebook_config.py file placed under /home/jovyan/.jupyter

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[fcollonval]

It indeed may come from the theme. I would also try to install a more recent version of JupyterLab.