Issue 5785: Whitelist cleanapk apps from filtering

Description

Fix Open source apps not downloadable from search results.

Issue(s)

https://gitlab.e.foundation/e/backlog/-/issues/5785

Test environment

Test procedures

Search for any open source app and check if it is installable and does not show "N/A"

Technical details

Happened due to improper filtering.

Screenshots

Check list

• Self review
• Test procedure explained
• Tested on fresh install
• Tested applied as an update
• License
• Internal documentation
• User documentation