[request] enhanced user[_rql]_callback method, allowing to call other js variant, eg one of userCallback, userCallbackThenUpdateUI, userCallbackThenReloadPage (the default). Also benefit from the new magic js object.

if versions_map['cubicweb'][0] == (3, 7, 4):
    config['http-session-time'] *= 60
    config['cleanup-session-time'] *= 60
    config['cleanup-anonymous-session-time'] *= 60