Issue 478: Fix continuous reloading of category apps after coming back from detail page

Description

App list page keeps loading after opening an app from the list and coming back to the list.

Issue(s)

https://gitlab.e.foundation/e/os/backlog/-/issues/478

Test environment

Gradle build from branch 478-no_reloading_category_app_list, install the apk and test.

Test procedures

1. Go to Categories tab.
2. Open a category, let the list load.
3. Open an app.
4. Press back button and go back to the list.
5. Check if the list reloads / keeps loading, which should not happen.
6. Also check if more apps are loading on scrolling to the end of the list.

Technical details

Screenshots

Check list

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