Cloned from https://bugzilla.redhat.com/show_bug.cgi?id=1804661

Description of problem:
After configuring the VMWare Compute resource, we got ISE when accessing the Virtual Machines tab
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There was an error listing VMs: 500 Internal Server Error
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Version-Release number of selected component (if applicable):
6.7

How reproducible:
100%

Steps to Reproduce:
1. Creating a new Compute Resource with a user with access to only one cluster
2. After saving, trying to access the Virtual Machines tab
3.

Actual results:
500 internal server error

Expected results:
See the VM's

Additional info:

Note. The information on Images and Compute profiles are working as expected binding information from vCenter.