fix nodeselector when no element in the tree is selected

it can happen that nothing in the tree is selected,
then PVE.curSelectedNode is undefined, generating an exception there.
so we check if this is available

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>

diff --git a/www/manager6/form/NodeSelector.js b/www/manager6/form/NodeSelector.js
index 0cc60bf721a9d599d15aac9effaa87196675f691..6fcced3719748efade7964831f745b0185c8711d 100644 (file)
--- a/www/manager6/form/NodeSelector.js
+++ b/www/manager6/form/NodeSelector.js
@@ -94,7 +94,7 @@ Ext.define('PVE.form.NodeSelector', {
     initComponent: function() {
        var me = this;
 
-        if (me.selectCurNode && PVE.curSelectedNode.data.node) {
+        if (me.selectCurNode && PVE.curSelectedNode && PVE.curSelectedNode.data.node) {
             me.preferredValue = PVE.curSelectedNode.data.node;
         }