Cloned from https://bugzilla.redhat.com/show_bug.cgi?id=1779638

Description of problem:
Unable to filter http-proxies using Organization/Location on UI.

How reproducible:
- Always

Steps to Reproduce:
1. Go to Infrastructure > HTTP Proxies
2. Create two or more HTTP Proxies having different organization assigned to them.
3. Use filter to search HTTP Proxies based on Organization/Location. OR
4. Switch to any other Organization.

Actual results:
- All the HTTP Proxies get listed for every Organization.

Expected results:
- HTTP Proxies should be listed based on Organization/Location assigned to them.

Additional info:

[root@hpe-ml350egen8-01 ~]# hammer http-proxy list --organization-id 3
---|-------------------------------
ID | NAME
---|-------------------------------
1 | proxy1
3 | proxy3
---|-------------------------------

[root@hpe-ml350egen8-01 ~]# hammer http-proxy list --organization-id 1
---|-------------------------------
ID | NAME
---|-------------------------------
1 | proxy1
2 | kjk
3 | proxy3
---|-------------------------------