Add optional packages jupyterlab, jupyterlab_widgets to support interacts in JupyterLab #30246
Description
Before this ticket: interacts don't work in JupyterLab.
Reported at:
- Ask Sage question 50194: Interact in Jupyterlab vs Jupyter
- comment to an answer at Ask Sage question 52707
Related:
- Meta-ticket: improve compatibility with the Python library and Python packages #29728: Meta-ticket: improve compatibility with the Python library
CC: @slel
Component: interact
Keywords: jupyterlab
Author: Joshua Campbell
Branch: e169060
Reviewer: Matthias Koeppe
Issue created by migration from https://trac.sagemath.org/ticket/30246