Update packages/extensionmanager/src/widget.tsx
Update packages/extensionmanager/src/widget.tsx

Co-Authored-By: Jason Grout <b4672d8584c95d3dfb8fbf3ae0597a23208547c6@users.noreply.github.com>
jupyter/jupyterlab,jupyter/jupyterlab,jupyter/jupyterlab,jupyter/jupyterlab,jupyter/jupyterlab