try to use slider for additional disk in createVM

app/UI/VmCreate/Sections/AdditionalDiskSection.php

@@ -41,7 +41,7 @@ class AdditionalDiskSection extends BaseSection implements ClientArea
             __FUNCTION__,
             $field,
             'Debug',
-            $field->id()
+            $field->getId()
         );
 
 //        $field->replaceClasses(['lu-col-md-6']);