fix-1.6 Miscellaneous

[mathis-marcotte]

This ticket should be tackled last

This ticket is part of the work to re-apply for the 1.6 upgrade for jupyter apis.
The original work was done in these tickets:

Original Title	Date	Description	PR #	Note
StatCan/2-facilitate-local-development	20/08/20	7ad65c2	6
Merge pull request 9 from StatCan/fix-angular-component	20/08/21	f0b855d	9	Fix for bug of existing pvcs
Merge pull request 23 from StatCan/fix-dependabot-alerts	20/09/24	1a50add	23	AfterContentCheck
Merge pull request 12 from StatCan/fix-kubeflow-collision-information	20/08/21	5caa0a4	12	css fix X
Merge pull request #13 from StatCan/3-fix-front-end-file-permissions	20/08/21	978c814	13	Chmod +x on files. Maybe needed?

These include different unrelated issues

[mathis-marcotte]

These all seemed to be either already in the code, or based on old code that is no longer relevant. The exception to this was the commit about AfterContentCheck, which was added back in for this ticket.