[PATCH proxmox-backup v5 24/27] fix #7238: notifications: smtp: add XOAUTH2 support

[Arthur Bied-Charreton <a.bied-charreton@proxmox.com>]

The XOAUTH2 authorization feature for SMTP is made opt-in in
proxmox-widget-toolkit. Opt into it in PBS, introducing support for
XOAUTH2 in SMTP notification targets, and pass the smtp-oauth2-token
endpoint URL for PBS to the SMTP edit panel for refresh token exchange.

Signed-off-by: Arthur Bied-Charreton <a.bied-charreton@proxmox.com>
---
 www/Utils.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/www/Utils.js b/www/Utils.js
index bf4b025c..837877b3 100644
--- a/www/Utils.js
+++ b/www/Utils.js
@@ -515,6 +515,8 @@ Ext.define('PBS.Utils', {
                 name: 'SMTP',
                 ipanel: 'pmxSmtpEditPanel',
                 iconCls: 'fa-envelope-o',
+                enableOAuth2: true,
+                refreshTokenUrl: '/config/notifications/smtp-oauth2-token',
                 defaultMailAuthor: 'Proxmox Backup Server - $hostname',
             },
             gotify: {
-- 
2.47.3