Fix session name display in WSKernelPicker

[nikitakit]

This is in response to #1245

model.notebook.path does not exist for kernels spawned from hydrogen, but model.path does.

In general, the schema for session model objects has undergone some changes in the past year or so. Once Jupyterlab and @jupyter/services get to the point of actually having a stable developer API, we can consider additional changes (such as taking advantage of the name field instead of pretending that everything is a path)

[lgeiger]

Thanks for this fix 👍

[lgeiger]

In general, the schema for session model objects has undergone some changes in the past year or so. Once Jupyterlab and @jupyter/services get to the point of actually having a stable developer API, we can consider additional changes (such as taking advantage of the name field instead of pretending that everything is a path)

@jupyter/services is stable and following semantic versioning now. Unfortunately upgrading to @jupyter/services requires some changes on our side see #1162.
A great alternative is also rx-jupyter if someone is interested in looking into that.