trade: use packing list workflow states for "Packing List Report"

This report shows packing lists, but in the dialog we could only select
the states of orders.

bt5/erp5_trade/SkinTemplateItem/portal_skins/erp5_trade/PackingListModule_viewPackingListReportDialog/your_simulation_state.xml

@@ -9,7 +9,9 @@
         <item>
             <key> <string>delegated_list</string> </key>
             <value>
-              <list/>
+              <list>
+                <string>items</string>
+              </list>
             </value>
         </item>
         <item>
@@ -58,6 +60,12 @@
                     <key> <string>form_id</string> </key>
                     <value> <string></string> </value>
                 </item>
+                <item>
+                    <key> <string>items</string> </key>
+                    <value>
+                      <persistent> <string encoding="base64">AAAAAAAAAAI=</string> </persistent>
+                    </value>
+                </item>
                 <item>
                     <key> <string>target</string> </key>
                     <value> <string></string> </value>
@@ -77,6 +85,12 @@
                     <key> <string>form_id</string> </key>
                     <value> <string>Base_viewTradeFieldLibrary</string> </value>
                 </item>
+                <item>
+                    <key> <string>items</string> </key>
+                    <value>
+                      <list/>
+                    </value>
+                </item>
                 <item>
                     <key> <string>target</string> </key>
                     <value> <string>Click to edit the target</string> </value>
@@ -87,4 +101,17 @@
       </dictionary>
     </pickle>
   </record>
+  <record id="2" aka="AAAAAAAAAAI=">
+    <pickle>
+      <global name="TALESMethod" module="Products.Formulator.TALESField"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>_text</string> </key>
+            <value> <string>python:here.Base_getTranslatedWorkflowStateItemList(wf_id=\'packing_list_workflow\')</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
 </ZopeData>