Fix the javascript tests following KF1.7

[mathis-marcotte]

We will need to fix the unit tests for the jupyter frontend.
That means all those *.spec.ts that can be found under both the frontend/jupyter folder and the frontnend/common folder.
That needs to be fixed so that the npm run test:prod can run successfully.

[mathis-marcotte]

Started fixing some of these for running npm run test:prod. There is still some left :

[mathis-marcotte]

Fixed the remaining failed tests. The fails where mainly happening because we needed to adjust the references to packages based on our custom code.
These are from our /jupyter

And from /common