Feat(Mail) - Enclosed files are now properly managed.

Enclosed files fully manageable, add, del, modification.

plugins/configuration/mailtemplate/class_mailTemplate.inc

@@ -68,6 +68,7 @@ class mailTemplate extends simplePlugin
             _('Read Receipt'),
             'fdMailTemplateReadReceipt', FALSE
           ),
+          // Management of attachments files in a sub-node ldap format.
           new SubNodesAttribute(
             '', _('Attachments'),
             'attachments', ['fdMailAttachments'],
@@ -98,6 +99,13 @@ class mailTemplate extends simplePlugin
 
   }
 
+  protected function shouldSave (): bool
+  {
+    // Trigger a save method required due to sub nodes not being triggered by default. (Modification and suppression).
+    return TRUE;
+  }
+
+
   function ldap_save (): array
   {
     global $config;