cubicweb #9441118 CWUser._properties cache not properly handled [open]

Following test shows it all

with self.admin_access.repo_cnx() as cnx:
    self.assertEqual('en', cnx.user.property_value('ui.language'))
    cnx.user.set_property('ui.language', 'fr')
    self.assertEqual('fr', cnx.user.property_value('ui.language'))
prioritynormal
typebug
done in<not specified>
load0.500
load left0.500
closed by<not specified>