There is no content displayed when user delete last item from the last paginated page in content-packs list

## Expected Behavior
After deleting the last item on the page we should show 1st or last page content or show pagination.

## Current Behavior
When the user deletes the last item on f.e. 2nd page there is no content and no pagination and impossible to navigate to the 1st page

https://user-images.githubusercontent.com/10741557/159494751-bef9af32-5e9e-4892-baeb-ffe79ca1aa00.mp4

## Steps to Reproduce (for bugs)

1. go to `system/contentpacks`
2. Create several content packs to have 2 pages with one item on the 2nd page
3. go to the 2nd page
4. delete the last item
5. You will see that there is no content shown and there is no pagination

* Graylog Version: 4.3.0-beta.2+a61a34c