fix msterDisk bug

app/UI/VmUpdate/Sections/Qemu/AdditionalDiskSection.php

@@ -83,6 +83,9 @@ class AdditionalDiskSection extends BaseSection implements ClientArea
             if($disk->isMaster()){
                 continue;
             }
+            if($disk->getName() == 'disk-0'){
+                continue;
+            }
             $this->customTplVars['additionalDisks'][]=
                 [   'id' => $disk->getId() ,
                     'size' => (int) $disk->getGb(),