TemplateTool: Update translation table when upgrading site

Do it once, after any business template deletion and install happened.

product/ERP5/Tool/TemplateTool.py

@@ -1429,6 +1429,7 @@ class TemplateTool (BaseTool):
       # make sure that we updated information on repository
       self.updateRepositoryBusinessTemplateList(self.getRepositoryList())
       # do upgrade
+      is_something_changed = False
       message_list = []
       deprecated_reinstall_set = deprecated_reinstall_set or set()
       def append(message):
@@ -1449,6 +1450,7 @@ class TemplateTool (BaseTool):
         for bt in to_remove_bt5_list:
           if bt.title in keep_bt5_id_set:
             continue
+          is_something_changed = True
           append("Uninstall business template %s" % bt.title)
           if not dry_run:
             # XXX Here is missing parameters to really remove stuff
@@ -1461,13 +1463,17 @@ class TemplateTool (BaseTool):
         if (not(reinstall) and bt5.version_state == 'present') or \
             bt5.title in keep_bt5_id_set:
           continue
+        is_something_changed = True
         append("Update %s business template in state %s%s" % \
           (bt5.title, bt5.version_state, (reinstall and ' (reinstall)') or ''))
         if not dry_run:
           bt5_url = "%s/%s" % (bt5.repository, bt5.title)
           self.updateBusinessTemplateFromUrl(bt5_url, reinstall=reinstall,
                                              update_catalog=update_catalog)
-
+      if is_something_changed:
+        append("Update translation table")
+        if not dry_run:
+          self.ERP5Site_updateTranslationTable()
       return message_list
 
 InitializeClass(TemplateTool)