[Web] Fix: show success message after quarantine action

[Git] Add ignore

.gitignore

@@ -17,6 +17,7 @@ data/conf/postfix/allow_mailcow_local.regexp
 data/conf/dovecot/sql
 data/conf/dovecot/lua
 data/conf/dovecot/global_sieve_*
+data/conf/dovecot/sogo_trusted_ip.conf
 data/conf/nextcloud-*.bak
 data/web/inc/vars.local.inc.php
 data/web/css/build/0081-custom-mailcow.css

data/web/qhandler.php

@@ -1,7 +1,7 @@
 <?php
 session_start();
 require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/prerequisites.inc.php';
-if (quarantine('hash_details', $_GET['hash']) === false) {
+if (quarantine('hash_details', $_GET['hash']) === false && !isset($_POST)) {
   header('Location: /admin');
   exit();
 }