Bugfix: Filter out in-house apps when listing software for setup experience

[mna]

Related issue: Resolves #35167

Checklist for submitter

• Input data is properly validated, SELECT * is avoided, SQL injection is prevented (using placeholders for values in statements)

Testing

• Added/updated automated tests

• Where appropriate, automated tests simulate multiple hosts and test for host isolation (updates to one hosts's records do not affect another)

• QA'd all new/changed functionality manually
  Recording: https://drive.google.com/file/d/1wXD42sTy_Dcp7tdy2--PwXjx1fUfrNqm/view?usp=drive_link

For unreleased bug fixes in a release candidate, one of:

• Confirmed that the fix is not expected to adversely impact load test results

[mna]

CI failure is unrelated, due to docker:

 redis01 Error Get "https://registry-1.docker.io/v2/": context deadline exceeded
Error response from daemon: Get "https://registry-1.docker.io/v2/": context deadline exceeded

    preview_test.go:31: 
        	Error Trace:	/home/runner/work/fleet/fleet/cmd/fleetctl/integrationtest/preview/preview_test.go:31
        	Error:      	Received unexpected error:
        	            	Failed to run `docker compose`
        	Test:       	TestIntegrationsPreview
Stopping services...
Fleet preview server and dependencies stopped. Start again with fleetctl preview.
    nettest.go:36: network test done: TestIntegrationsPreview
--- FAIL: TestIntegrationsPreview (22.77s)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
⚠️ Please upload report for BASE (rc-minor-fleet-v4.77.0@04ee844). Learn more about missing BASE report.

Additional details and impacted files

@@                    Coverage Diff                    @@
##             rc-minor-fleet-v4.77.0   #35619   +/-   ##
=========================================================
  Coverage                          ?   66.14%           
=========================================================
  Files                             ?     2101           
  Lines                             ?   177503           
  Branches                          ?     7382           
=========================================================
  Hits                              ?   117413           
  Misses                            ?    49324           
  Partials                          ?    10766           

Flag	Coverage Δ
backend	67.80% <100.00%> (?)

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