Description of problem:
On attach Storage Domain the engine should register the existing OVF_STORE disks, instead add new OVF_STORE disks

Version-Release number of selected component (if applicable):


How reproducible:
100%

Steps to Reproduce:
1. Import existing Storage Domain with unregistered entities
2. Attach it to a Data Center and Activate it
3. Create a new VM and disk (A new OVF_STORE disk should be created in the Storage Domain)
4. Remove the Storage Domain
5. Import it again

Actual results:
The only unregistered entities to import will be the new VM

Expected results:
All the former unregistered entities and the new VM should be present in the Import VM/Template sub tab in the Storage after the second import

Additional info: