pyramid-cubicweb #12512176 RemoteCallFailed handling [open]

with cw's default publisher, RemoteCallFailed exception (or some other case where ajax call are detected) are turned into a dictionary to be JSON serialized. This is not the case with a pyramid front end, making it hard to do proper error handling on the js side (though this is probably not the only pb to go further on this...)

priorityimportant
typebug
done in<not specified>
closed by<not specified>