Description of problem:
If a system of 1-st organisation is subscribed to a channel which belongs to another organisation and shared with this one, it cannot be compared with another system of this organisation. In other words, compatibility of two systems depends on Provider of channels these systems are subscribed on.

Version-Release number of selected component (if applicable):
Spacewalk release 2.4

How reproducible:
Always

Steps to Reproduce:
1. under admin create a new organisation and make it trusted with this one.
2. share some channel with this organisation.
3. under user of new organisation, clone shared channel
4. register one system for shared channel and second one for cloned
5. Select one of these systems and go to Software > Packages > Profiles
  
Actual results:
"No compatible systems." is displayed under "Compatible systems"

Expected results:
The second system should be displayed under "Compatible systems".