ERP5Workflow: fix Interaction and Transition views

guard expression is now an Expression object, so it is required to
display its 'text' attribute

bt5/erp5_workflow/SkinTemplateItem/portal_skins/erp5_workflow/Interaction_view.xml

@@ -97,7 +97,7 @@
                         <string>my_guard_permission_list</string>
                         <string>my_guard_role_list</string>
                         <string>my_guard_group_list</string>
-                        <string>my_guard_expression</string>
+                        <string>my_guard_expression_text</string>
                       </list>
                     </value>
                 </item>

bt5/erp5_workflow/SkinTemplateItem/portal_skins/erp5_workflow/Interaction_view/my_guard_expression.xml → bt5/erp5_workflow/SkinTemplateItem/portal_skins/erp5_workflow/Interaction_view/my_guard_expression_text.xml

@@ -16,7 +16,7 @@
         </item>
         <item>
             <key> <string>id</string> </key>
-            <value> <string>my_guard_expression</string> </value>
+            <value> <string>my_guard_expression_text</string> </value>
         </item>
         <item>
             <key> <string>message_values</string> </key>

bt5/erp5_workflow/SkinTemplateItem/portal_skins/erp5_workflow/Transition_view.xml

@@ -106,7 +106,7 @@
                         <string>my_guard_permission_list</string>
                         <string>my_guard_role_list</string>
                         <string>my_guard_group_list</string>
-                        <string>my_guard_expression</string>
+                        <string>my_guard_expression_text</string>
                         <string>my_before_script_list</string>
                         <string>my_after_script_list</string>
                       </list>

bt5/erp5_workflow/SkinTemplateItem/portal_skins/erp5_workflow/Transition_view/my_guard_expression.xml → bt5/erp5_workflow/SkinTemplateItem/portal_skins/erp5_workflow/Transition_view/my_guard_expression_text.xml

@@ -8,7 +8,7 @@
       <dictionary>
         <item>
             <key> <string>id</string> </key>
-            <value> <string>my_guard_expression</string> </value>
+            <value> <string>my_guard_expression_text</string> </value>
         </item>
         <item>
             <key> <string>message_values</string> </key>