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Description of problem:

Ssh rex command job fails with Error loading data from Capsule: NoMethodError - undefined method `each' for nil:NilClass

Ansible rex command in the same settings hangs indefinitely

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

Satellite 7 snap 3

How reproducible:
Always

Steps to Reproduce:
1. On a fresh satellite, register a host or use satellite itself 
2. Run a rex command job against it 
3. Observe the above error (sometimes the job succeeds but the error appears in host details)

Actual results:
as described

Expected results:
job suceeeds 

Additional info:
- might be related to https://bugzilla.redhat.com/show_bug.cgi?id=2036606
- reproducer available upon ping

Verified on Satellite 7 snap 4, both ssh and ansible rex jobs now work as expected

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (Moderate: Satellite 6.11 Release), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2022:5498