Issue 6787: Improve search loading time
Description
Improve loading time of search results.
Screenshots
Technical details
New CleanApk API has been incorporated that can accept a list of apps and return only the list of apps present on f-droid.
Relevant infra issue: https://gitlab.e.foundation/e/infra/backlog/-/issues/2239
Note: the changes from infra team is still not merged in cleanapk prod (api.cleanapk.org), it is still on test (api.test.cleanapk.org) at the time of creating this MR, it will be done soon. However this should not affect the review and merging of this MR.
Tests
Issues
https://gitlab.e.foundation/e/backlog/-/issues/6787