??? form.mailsubject.prefix ??? in mail sent using apollo.webform

[pdavie]

There is a message missing from the org.opencms.apollo.template.webform.workplace_en (and workplace_de) file resulting in this message being displayed in all emails sent. Here is a patch to add the missing entry.
-- a/org.opencms.apollo.template.webform/resources/system/modules/org.opencms.apollo.template.webform/i18n/org.opencms.apollo.template.webform.workplace_en
+++ b/org.opencms.apollo.template.webform/resources/system/modules/org.opencms.apollo.template.webform/i18n/org.opencms.apollo.template.webform.workplace_en
@@ -217,3 +217,4 @@
title.newa-webform=Create a new form
webform.init.newAlkaconWebform=New Webform
webform.init.pleaseEdit=Please edit the content.
+form.mailsubject.prefix=