ui: datastore: set onlineHelp for chaging group owner

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

www/OnlineHelpInfo.js

@@ -3,6 +3,10 @@ const proxmoxOnlineHelpInfo = {
     "link": "/docs/index.html",
     "title": "Proxmox Backup Server Documentation Index"
   },
+  "changing-backup-owner": {
+    "link": "/docs/backup-client.html#changing-backup-owner",
+    "title": "Changing the Owner of a Backup Group"
+  },
   "backup-pruning": {
     "link": "/docs/backup-client.html#backup-pruning",
     "title": "Pruning and Removing Backups"

www/window/BackupGroupChangeOwner.js

@@ -2,6 +2,8 @@ Ext.define('PBS.BackupGroupChangeOwner', {
     extend: 'Proxmox.window.Edit',
     alias: 'widget.pbsBackupGroupChangeOwner',
 
+    onlineHelp: 'changing-backup-owner',
+
     submitText: gettext("Change Owner"),
     width: 350,