accounting: simplify AccountingTransactionModule_getLedgerItemList

and rely on Base_getPreferredCategoryChildItemList to have results
sorted and displayed according to user preferences.

bt5/erp5_accounting/SkinTemplateItem/portal_skins/erp5_accounting/AccountingTransactionModule_getLedgerItemList.py

@@ -3,18 +3,12 @@
 portal = context.getPortalObject()
 portal_types = portal.portal_types
 
-accounting_type_list = portal.getPortalAccountingTransactionTypeList()
 ledger_set = set()
 
-for accounting_type in accounting_type_list:
-  try:
-    new_ledger_list = portal_types[accounting_type].getLedgerValueList([])
-    ledger_set = ledger_set.union(set(new_ledger_list))
-  except AttributeError:
-    # This portal type doesn't inherit from Delivery Type, thus we can pass
-    continue
+ledger_item_list = context.Base_getPreferredCategoryChildItemList(
+  portal.portal_categories.ledger, base=True)
 
-if len(ledger_set):
-  return [[ledger.getTranslatedTitle(), ledger.getRelativeUrl()] for ledger in list(ledger_set)]
+for accounting_type in portal.getPortalAccountingTransactionTypeList():
+  ledger_set.update(portal_types[accounting_type].getLedgerList(base=True))
 
-return ()
+return [item for item in ledger_item_list if item[1] in ledger_set]

bt5/erp5_accounting/SkinTemplateItem/portal_skins/erp5_accounting/AccountingTransactionModule_getLedgerItemList.xml

@@ -50,7 +50,7 @@
         </item>
         <item>
             <key> <string>_params</string> </key>
-            <value> <string>source=True</string> </value>
+            <value> <string></string> </value>
         </item>
         <item>
             <key> <string>id</string> </key>