WIP erp5_core: SimulableMixin fixup?

product/ERP5/bootstrap/erp5_core/MixinTemplateItem/portal_components/mixin.erp5.SimulableMixin.py

@@ -100,7 +100,7 @@ class SimulableMixin(Base):
         applied_rule = self._createRootAppliedRule()
         expand_root = applied_rule is not None
     activate_kw = {'tag': 'build:'+self.getPath(),
-     'priority': SIMULATION_PRIORITY
+     'priority': SIMULATION_PRIORITY - 1
     }
     if expand_root:
       applied_rule.expand(activate_kw=activate_kw)

product/ERP5/bootstrap/erp5_core/MixinTemplateItem/portal_components/mixin.erp5.SimulableMixin.xml

@@ -14,6 +14,12 @@
             <key> <string>default_source_reference</string> </key>
             <value> <string>Products.ERP5.mixin.simulable</string> </value>
         </item>
+        <item>
+            <key> <string>description</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
         <item>
             <key> <string>id</string> </key>
             <value> <string>mixin.erp5.SimulableMixin</string> </value>