* this is inconsistent with Base_checkAlarmConsistency

erp5_api_style: Add Page to display all API Actions

erp5_api_style: fix http method on json page and add cancel url

erp5_api_style: Fix reenable button after form submit with invalid data

erp5_api_style: Fix Get and provide default get Schema

erp5_api_style: JSON Form gadget now render response

erp5_api_style: Fix error display in JSON Form Gadget

erp5_api_style: improve api hyperschema

Include modified version of SlapOS parameter editor and a prototype gadget using react-jsonschema-form

* Case of required properties

* The issue was that when a lot of change management had the same effective date, sometimes, fixing the consistency of the change management led to invalidating the one that was the latest one.
* XXX CLN: Maybe some verification on the version would have been better.

* Also move the variable definition before they are used.