erp5_credential: Add mapping Dict to subtitution for reset password

bt5/erp5_credential/SkinTemplateItem/portal_skins/erp5_credential/NotificationMessage_getSubstitutionFromPasswordReset.xml

@@ -57,15 +57,16 @@ Parameters: \n
   reset_password_link -- Url to reset the password\n
   expiration_date -- Expiration Datetime of the link\n
 """\n
-return {\'reset_password_link\':reset_password_link,\n
-        \'expiration_date\': context.Base_FormatDate(date=expiration_date,\n
+return dict(reset_password_link=reset_password_link,\n
+            expiration_date=context.Base_FormatDate(date=expiration_date,\n
                                                    hour_minute = True,\n
-                                                   seconds = False)}\n
+                                                   seconds = False),\n
+            **kw)\n
 </string> </value>
         </item>
         <item>
             <key> <string>_params</string> </key>
-            <value> <string>instance_name, reset_password_link, expiration_date</string> </value>
+            <value> <string>instance_name, reset_password_link, expiration_date, **kw</string> </value>
         </item>
         <item>
             <key> <string>id</string> </key>