bugfix max value in range slider

app/UI/Disk/Forms/UpdateForm.php

@@ -72,6 +72,16 @@ class UpdateForm extends BaseForm implements ClientArea
         //entity id
         $this->addField(new Hidden("id"));
         //size
+        $diskSize = parent::getFormData()['size'];
+
+        logModuleCall(
+            'proxmoxCloud',
+            __FUNCTION__,
+            $diskSize,
+            'Debug',
+            $this->configuration()
+        );
+
         $field = new Range('additionalDiskSize', 0, 0);
         $field->addValidator(new DiskSizeValidator('additionalDiskSize',true));
         $this->addField($field);