Update JSON Form and ERP5 API Style

Contents

• Take many commits from cedric.leninivin/erp5@json-api to include jIO Revisions, updates to JSON Forms and other miscellany
• Take some commits from tsoulard/erp5@fusion-monster which are corrections or additions to the aforementioned changes, initially made for SlapOS API
• Rewrite jIOWebSection component for better error handling

Extra note: does include the update, but not showed on the MR to restrict it to changes made to the API.

Merge strategy: kd-portal-api-style -- rebase --> kd-portal-updated -- merge --> kd-portal