when use config.new(), copy properties and permissives

tiramisu/config.py

@@ -1133,6 +1133,10 @@ class KernelMetaConfig(KernelGroupConfig):
         if config._impl_name in [child._impl_name for child in self._impl_children]:  # pragma: no cover
             raise ConflictError(_('config name must be uniq in '
                                   'groupconfig for {0}').format(config._impl_name))
+        # Copy context properties/permissives
+        config.cfgimpl_get_settings().set_context_properties(self.cfgimpl_get_settings().get_context_properties(), config)
+        config.cfgimpl_get_settings().set_context_permissives(self.cfgimpl_get_settings().get_context_permissives())
+
         config._impl_meta = weakref.ref(self)
         self._impl_children.append(config)
         return config