[#7794] ticket:677 Add tests for g.handle_paging
[#7794] ticket:677 Always use user prefs for page size
[#7794] ticket:677 Remove hard limit on page size where it makes sense
[#7794] ticket:677 Add handle_paging calls where only sanitizer is used
[#7794] ticket:677 Always cast limit to int
[#7794] ticket:677 Fix test
[#7794] ticket:686 Use page size pref on tracker main page
[#7794] ticket:686 Set default page size to 25
[#7794] ticket:686 Fix test back

Revert "[#7794] ticket:677 Fix test"

This reverts commit 86f76d5c405a008e4f453dde65579157387fab67.
[#7794] ticket:686 Fix tests failing due to new default limit