Description of problem:
UserVmManager of a VM is not able to see its permissions in REST API. She is able to see permissions in User Portal just fine

Version-Release number of selected component (if applicable):
3.1.0-18 / si19.1

How reproducible:


Steps to Reproduce:
1. issue a filtered GET query on VM permissions:
curl ...  -H "filter: true" -X GET https://rhevm31.example.com/api/vms/ad5f7497-120d-40da-9093-c9c4b8919e50/permissions
  
Actual results:
HTTP/1.1 400 Bad Request
Date: Fri, 19 Oct 2012 12:52:58 GMT
Content-Type: application/xml
Content-Length: 188
Connection: close

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<fault>
    <reason>Operation Failed</reason>
    <detail>query execution failed due to insufficient permissions.</detail>
</fault>

Expected results:
user is able to to see the permissions the same way as in the User Portal

Additional info:
other VM subcollections are visible just fine (apart from tags that are admin-only anyway)