fix #4951: accept undefined as value for the MultiDiskSelector

otherwise it tries to string split it and throws an exception

This can happen when there was no initial value and the form is reset.

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

diff --git a/src/form/MultiDiskSelector.js b/src/form/MultiDiskSelector.js
index 88cdc807c85adc90feab6b1ea44b6ef07dec4b58..33bcf28cc83265633521a8136a3899da2fca2d4e 100644 (file)
--- a/src/form/MultiDiskSelector.js
+++ b/src/form/MultiDiskSelector.js
@@ -39,6 +39,8 @@ Ext.define('Proxmox.form.MultiDiskSelector', {
     setValue: function(value) {
        let me = this;
 
+       value ??= [];
+
        if (!Ext.isArray(value)) {
            value = value.split(/;, /);
        }