[meta] Post beta1, beta2 preparation

Follow up 🐛 Multiple fixes for beta1 Active

• UI styles when apply with Bootstrap is slow (500-700ms): could be it apply and update everything and not only the target
• UI Suite DSFR: Instance form checkbox styled by dsfr.js
• Press enter keyboard on Settings > config will submit to /api... page

Features / UX

Instance entity

• Add Storage (to allow getQuery())

Instance History

• Add RevisionInterface
• History keys 'present' and 'save' should be removed when publish (in config)
  • History key 'save' is really needed? See the workflow.
• Instance should be published as soon as created to be in the related config?
  • Related Views issue: when enabling DB, while not published the view is empty

• Admin instances list for configs with an instance and not 'published' or 'attached' instance?