fixup! accounting: translate GAP category in account view

* There was another level of cache in Account_hashGapItemList
* Category title was used in AccountModule_getAvailableGapList

bt5/erp5_accounting/SkinTemplateItem/portal_skins/erp5_accounting/AccountModule_getAvailableGapList.py

@@ -7,7 +7,7 @@ results = []
 countries = context.portal_categories.gap.objectValues()
 for country in countries : 
   for gap in country.objectValues() :
-    title = gap.getParentValue().getTitle() + '/'+ gap.getTitle()
+    title = gap.getParentValue().getTranslatedTitle() + '/'+ gap.getTranslatedTitle()
     path = gap.getRelativeUrl()
     if not include_gap_in_path : 
       path = path.replace('gap/', '')

bt5/erp5_accounting/SkinTemplateItem/portal_skins/erp5_accounting/Account_hashGapItemList.py

-Base_translateString = context.Base_translateString
+portal = context.getPortalObject()
+Base_translateString = portal.Base_translateString
 split_depth = 2
 
 def getSubFieldDict():
@@ -34,8 +35,9 @@ def getSubFieldDict():
     return sub_field_dict
 
   from Products.ERP5Type.Cache import CachingMethod
-  getSubFieldDictCache = CachingMethod(getSubFieldDictCache,
-                                  id='Account_getSubFieldDict')
+  getSubFieldDictCache = CachingMethod(
+      getSubFieldDictCache,
+      id='Account_getSubFieldDict.%s' % portal.Localizer.get_selected_language())
   # Those cached dictionnaries are later modified, we just reset the 'value'
   # key to return clean dictionnaries.
   sub_field_dict = getSubFieldDictCache()