cubicweb #5355952 Make ajax calls respect REST architecture [validation pending]

Some ajax calls made to the api doesn't respect REST achitecture (ex: using GET method to remove something in the server side).

prioritynormal
typebug
done in3.21.0
load left0.000
closed by#e7ee508a8b2f [js] Using appropriate http method when calling a remote function to respect REST principles.
patch[js] Using appropriate http method when calling a remote function to respect REST principles. [applied]